lewis and clark caverns road highway 2

PROJECT AREA

HIG

HW

AY

2

LE

WIS

A

ND

C

LA

RK

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NS

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LEWIS AND CLARK

CAVERNS CAMPGROUND

DRAWN BY: DATE:

CHECKED BY: DATE:

REVISED BY: DATE: APPROVED BY: DATE:

APPROVED BY: DATE: SHEE

T:

APPROVED BY: DATE:

J. LARSON

J. LARSON T128 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

J. LARSON

LEWIS AND CLARK CAVERNS STATE PARK

COMFORT STATION SEPTIC PROJECT

NEAR CARDWELL, MONTANA

FWP #7176303

SHEET INDEX

PLANS FOR CONSTRUCTION OF:

TITLE SHEET

OVERALL SITE PLAN

NOTES AND DETAILS

COMFORT STATION PLAN

COMFORT STATION TANK DETAILS

COMFORT STATION PLAN AND PROFILE

RV DUMP STATION PLAN

RV DUMP STATION DETAILS

RV SUMP STATION DETAILS (2)

RV DUMP STATION TANK DETAILS

WASTEWATER TREATMENT SITE PLAN

TANK DETAILS

TANK DETAILS (2)

TREATMENT DETAILS

DRAIN FIELD DETAILS

ELECTRICAL DETAILS

T1

C1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C11

C12

C13

C14

E1

LEWIS AND CLARK

CAVERNS STATE PARK

PROJECT LOCATION MAP

MARCH 30, 2021

PROJECT VICINITY MAP

TITLE SHEET

FWP #7176303COMFORT STATION SEPTIC PROJECTLEWIS AND CLARK CAVERNS STATE PARK

MARCH 30, 2021 MARCH 30, 2021

138

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Baker

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Boulder

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Broadus

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Columbus

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Cut Bank

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Ekalaka

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Fort Benton

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Glasgow

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Harlowton

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Missoula

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Shelby

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Stanford

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Thompson Falls

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Choteau

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Kalispell

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Libby

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Polson

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Superior

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Philipsburg

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Hamilton

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Anaconda

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Deer Lodge

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Butte

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Helena

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Dillon

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Bozeman

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Livingston

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Big Timber

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White Sulphur Springs

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Ryegate

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Townsend

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Lewistown

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Great Falls

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Chester

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Havre

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Conrad

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Chinook

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Malta

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Roundup

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Billings

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Red Lodge

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Hysham

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Forsyth

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Hardin

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Winnett

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Jordan

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Scobey

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Wolf Point

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Plentywood

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Sidney

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Circle

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Glendive

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Wibaux

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Terry

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Miles City

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Virginia City

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON

J. LARSON C1J. LARSON

OVERALL SITE PLAN


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

139

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UGP

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UGP

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UGP

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W

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RV DUMP STATION SITE PLAN

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8

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C6

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PRESSURE DOSED DRAIN FIELD ZONE (TYP OF 6)

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29

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C14

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ZONE SELECTION VALVE DETAIL

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31

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C14

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REPLACEMENT DRAIN FIELD AREA

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TEST PIT (TYP)

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MAINTAIN MINIMUM 0.80% SLOPE DOWN AWAY FROM ZONE SELECTION VALVE IN ALL THREE PIPES

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MAINTAIN MINIMUM 0.60% SLOPE DOWN AWAY FROM ZONE SELECTION VALVE IN ALL THREE PIPES

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COMFORT STATION SITE PLAN

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C3

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4

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4"S

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4"S

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2"FM

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2"FM

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2"FM

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TREATMENT SYSTEM SITE PLAN

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17

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C10

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1-1/2"FM

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2"FM

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COMFORT STATION PIPING ALIGNMENT, SEE PLAN AND PROFILE ON SHEET C5

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SEWER PIPING TRENCH

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3

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C2

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SEWER PIPING TRENCH

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3

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C2

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MW3

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MW2

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4"S

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4"S

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4"S

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4"S

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4"S

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4"S

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4"S

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4"S

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UGP

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UGP

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COM

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CP3

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CP2

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CP1

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CP4

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CP5

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2" SCH 40 PVC PIPE (TYP BETWEEN PRESSURE DOSING VAULT AND DRAIN FIELDS INCLUDING MANIFOLD)

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STAGING AREA

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UGP

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UGP

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UGP

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UGP

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ELECTRICAL TRENCH DETAIL

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3

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E1

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1 inch = ft.

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0

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20

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80

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80

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40

CONSTRUCTION NOTES:

TYPICAL SECTIONS

SEWER CLEANOUT

SEWER PIPING TRENCH

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


NOTES AND DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

140

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1. ALL WORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH "MONTANA PUBLIC WORKS SPECIFICATIONS",

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SIXTH EDITION (MPW).

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2. BEFORE DIGGING, CALL 811 FOR LOCATION OF EXISTING UTILITIES. THE LOCATION OF UTILITIES SHOWN

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3. ALL DISTURBED AREAS AND AREAS DESIGNATED IN THE PLANS FOR SEEDING SHALL BE TOPSOILED,

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SEEDED, MULCHED, AND FERTILIZED (SEE MPW SEEDING SPECIFICATIONS). SALVAGED TOPSOIL SHALL BE

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SPREAD EVENLY OVER DISTURBED AREAS. SEED MIX SHALL BE AN APPROVED LAWN MIX OR NATIVE

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9. SIDEWALKS SHALL BE CROSS SLOPED AT A MAXIMUM OF 1.8%%% AND SHALL BE BROOM FINISH.

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8. CONCRETE SHALL BE M-4000 AS DEFINED BY MPW SPECIFICATION 03/310 STRUCTURAL CONCRETE.

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ON THE DRAWINGS ARE APPROXIMATE AND WERE DERIVED PRIMARILY FROM AS-BUILT DRAWINGS.

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THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION OF PRIVATE UTILITIES WITHIN THE PROJECT

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AREA, NOT LOCATED BY UTILITY COMPANIES.

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11. CRUSHED TOP SURFACING FOR GRAVEL SURFACING SHALL MEET THE FOLLOWING SPECIFICATIONS

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SIEVE SIZE %%% PASSING

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3/4" SIEVE

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No. 4 SIEVE

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No. 10 SIEVE

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No. 200 SIEVE

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100%%%

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40-80%%%

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25-60%%%

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8-20%%%

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IN ADDITION, THE PORTION PASSING THE NO. 200 SIEVE CANNOT EXCEED 2/3 OF THE PORTION

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PASSING THE #40 SIEVE; THE MAXIMUM LIQUID LIMIT FOR THE MATERIAL PASSING THE NO. 40 SIEVE

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SHALL NOT EXCEED 35, WHILE THE PLASTICITY INDEX CAN VARY BETWEEN 3 AND 10; THE WEAR FACTOR

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SHALL NOT EXCEED 50%%% AT 500 REVOLUTIONS; AND AT LEAST 20%%% OF THE AGGREGATE RETAINED ON

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NO. 4 SIEVE SHALL HAVE A FRACTURED FACE.

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INCLUDING BINDER OR BLENDING MATERIAL:

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PLANT SPECIES LBS/ACRE

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WESTERN WHEATGRASS

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STREAMBANK WHEATGRASS

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HARD FESCUE

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SLENDER WHEATGRASS

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4.8 LBS

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3.2 LBS

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3.2 LBS

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2.4 LBS

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TOTALS

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16.0 LBS

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10. ALL REQUIRED COMPACTION TESTING SHALL BE PROVIDED BY AN INDEPENDENT TESTING FIRM AT

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LOCATION/MATERIAL # OF TESTS

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CRUSHED BASE COURSE (LOOP ROAD CROSSING)

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ASPHALT (LOOP ROAD CROSSING)

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SUBGRADE FOR GRAVEL SURFACING (3 LOCATIONS)

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1

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2

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2

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THE EXPENSE OF THE CONTRACTOR, COMPACTION TESTING FREQUENCIES ARE AS FOLLOWS:

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GREEN NEEDLEGRASS

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2.4 LBS

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4" CONCRETE SLAB

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RECOMPACT UPPER 6" OF SUBGRADE TO 95% OF DENSITY PER ASTM D-698

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%%USTANDARD SIDEWALK

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6" OF 3/4" CRUSHED BASE COURSE

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6. CRUSHED BASE COURSE SHALL BE 1" MINUS PER MPW SPECIFICATIONS.

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7. PLANT MIX SURFACING SHALL BE TYPE-B, WITH ASPHALT CEMENT PG 58-28.

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SUBGRADE (LOOP ROAD CROSSING)

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1

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1

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CRUSHED TOP SURFACING (3 LOCATIONS)

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12. SEPTIC TANKS, CONCRETE VAULTS AND DISTRIBUTION BOX CALLED FOR DEMOLITION SHALL BE PUMPED

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TO REMOVE ANY REMAINING WASTEWATER. THE TOP OF EACH STRUCTURE SHALL BE REMOVED AND

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SIDEWALLS BROKEN DOWN TO A MINIMUM DEPTH OF 30" BELOW GROUND SURFACE. THE PORTION

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OF THE STRUCTURE DEEPER THEN 30" BELOW GROUND SURFACE CAN BE REMOVED OR FILLED WITH

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COMPACTED SAND OR GRAVEL AT THE CONTRACTORS OPTION. IF LEFT IN PLACE SEVERAL HOLES WILL

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BE MADE IN THE BOTTOM OF THE STRUCTURE TO ALLOW DRAINAGE. ALL CONCRETE, PLASTIC, WOOD

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OR METAL DEBRIS SHALL BE DISPOSED OF IN A LICENSED LANDFILL.

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13. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING AND MEETING THE REQUIREMENTS OF A SWPPP PERMIT.

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NO SCALE

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1

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C3,C5,C6,C10

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6" OF 1 1/2" MINUS CRUSHED BASE COURSE

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3" ASPHALT SURFACING

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COMPACT UPPER 6" OF SUBGRADE TO 95% OF DENSITY PER ASTM D-698

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%%USTANDARD PAVEMENT

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PROPEX GEOTEX 601 NONWOVEN GEOTEXTILE OR APPROVED EQUAL

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6" OF 1 1/2" MINUS CRUSHED BASE COURSE

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3" CRUSHED TOP SURFACING

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COMPACT UPPER 6" OF SUBGRADE TO 95% OF DENSITY PER ASTM D-698

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%%UGRAVEL SURFACING

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PROPEX GEOTEX 601 NONWOVEN GEOTEXTILE OR APPROVED EQUAL

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4" FEMALE ADAPTER

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4" THREADED

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PLUG

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ABOVE BEND

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CEMENT ALL JOINTS

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4" PVC, SOLVENT

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24" DIA CONCRETE COLLAR

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4" SCH 40 PVC PIPE

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SPIGOT BEND

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4"-45 DEG BELL &

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GROUND SURFACE

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4" SCH 40 PVC PIPE

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45 DEG WYE

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INSET 0.5" BELOW ASPHALT

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CAST IRON CLEANOUT COVER

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NO SCALE

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2

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C3,C5,C6

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4. GRAVITY SEWER PIPING SHALL BE 4" SCHEDULE 40 PVC.

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5. PUMPING EFFLUENT PRESSURE PIPING SHALL BE 1-1/2" OR 2" SCHEDULE 40 PVC.

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NO SCALE

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3

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C1,C5,C6,C10

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NOTES: 1. THIS DETAIL APPLIES TO BOTH GRAVITY AND THIS DETAIL APPLIES TO BOTH GRAVITY AND PRESSURE PIPE. 2. MINIMUM TRENCH WIDTH IS 30". MINIMUM TRENCH WIDTH IS 30". 3. PIPE COVER MAY BE LESS THAN 4.0' NEAR PIPE COVER MAY BE LESS THAN 4.0' NEAR TREATMENT PODS AND RECIRCULATION TANK. 4. SET PIPE GRADES TO MAINTAIN DRAINAGE SET PIPE GRADES TO MAINTAIN DRAINAGE BETWEEN TANKS, TREATMENT UNITS, DRAIN FIELDS AND ZONE SELECTION VALVES AND RV DUMP STATION.

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12" MIN.

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12" MIN.

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12" MIN.

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12" MIN.

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MULTIPLE PIPE INSTALLATIONS WHERE INDICATED (TYP)

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SEWER PIPE

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4" MIN

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6" MIN

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TYPE 1 PIPE BEDDING

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SLOPE OR BENCH TRENCH SIDES AS REQUIRED BY OSHA REGULATIONS

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4.0' MIN PIPE COVER

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COMPACTED BACKFILL

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4" OF SALVAGED TOPSOIL

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REVEGETATE WITH NATIVE DRYLAND SEED MIX

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DRYLAND MIX AS APPROPRIATE TO RESTORE THE GRASS TO CURRENT CONDITION:

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14. MAINTAIN A MINIMUM OF 4.0-FEET OF COVER OVER ALL UNDERGROUND PIPING EXCEPT WHERE PROHIBITED

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BY THE ELEVATION OF EXISTING LINES OR PORTIONS OF THE TREATMENT PIPING THAT CONNECT TO

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TANK RISERS.

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DETECTABLE WARNING TAPE (TYP)

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18"

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15. CONDUCTORS AND CABLES BETWEEN CONTROL PANELS AND PUMPS, FLOATS, FLOWMETERS AND OTHER

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EQUIPMENT SHALL BE INSTALLED IN CONDUIT AS SPECIFIED FOR ELECTRICAL CONDUCTORS ON SHEET

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E1 OF THE DRAWINGS.

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON




28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON


MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

141

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W

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UGP

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EXISTING COMFORT STATION

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COMFORT STATION PUMP VAULT

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C4

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6

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2"FM

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ABANDON EXISTING SEPTIC TANK, SEE CONSTRUCTION NOTES ON SHEET C2

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ABANDON EXISTING DISTRIBUTION BOX, SEE CONSTRUCTION NOTES ON SHEET C2

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CAP EXISTING PIPE AT NORTH BRANCH OF FITTING

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COMFORT STATION SEPTIC TANK

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C4

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5

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4" SCH 40 PVC

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CO

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TYPICAL SECTIONS (SIDEWALK)

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C2

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1

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FLOWMETER VAULT

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C4

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7

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SEWER CLEANOUT (TYP)

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C1

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2

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4"S

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4"S

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COMFORT STATION CONTROL PANEL

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C13

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26

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CP2

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COM

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COM

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COM

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COM

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REMOVE SEWER CLEAN OUT

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EXISTING COMFORT STATION ELECTRICAL PANEL

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1 inch = ft.

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0

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10

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20

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20

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5

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4

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C1



FLOWMETER VAULT

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


COMFORT STATION TANK DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

142

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83"

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TO TREATMENT

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PUMP OFF ELEVATION

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PUMP ON ELEVATION

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RESERVE STORAGE LEVEL

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78"

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25"

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28"

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36"

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2" SCH 40 PVC PIPE TO TREATMENT

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5"

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86"

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3 PIECE PRECAST CONCRETE 4000 GAL TANK

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NO SCALE

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6

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C3,C5

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SLOPE GROUND AWAY FROM RISER (TYP)

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STANDARD INLET TEE

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FROM COMFORT STATION SEPTIC TANK

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4" SCH 40 PVC

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HIGH LEVEL ALARM

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39"

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NO SCALE

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5

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C3,C5

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STANDARD INLET TEE

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LIQUID LEVEL

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2/3 CAPACITY

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1/3 CAPACITY

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24"

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BAFFLE WALL

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FOUR 6" DIAMETER OPENINGS EVENLY SPACED ACROSS THE BAFFLE WALL, ALL AT SET 4' ABOVE THE BOTTOM TANK INVERT ELEVATION

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10' OUTSIDE DIAMETER, 15,000 GALLON NOMINAL CAPACITY BURIED FIBERGLASS TANK

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12" EFFLUENT FILTER, 60" HOUSING HEIGHT, ORENCO MODEL FT1260-36 OR APPROVED EQUAL

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TO COMFORT STATION

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4" SCH 80 PVC

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PUMP VAULT

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EXTEND EFFLUENT FILTER HANDLE TO WITHIN 2" OF LID

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30" PVC ACCESS RISER WITH FIBERGLASS LID, ATTACH LID WITH SS SCREWS (TYP)

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2" TANK SEAL

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2" SCH 40 PVC BALL CHECK VALVE WITH DOUBLE UNION CONNECTIONS, POSITION WITHIN 18" OF RISER LID (TYP)

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1" FLOAT TREE WITH 4 FLOATS

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3/16" ORIFICE FOR DRAIN BACK

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2" SCH 40 PVC PIPE AND FITTINGS

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24" DIAMETER PVC ACCESS RISER WITH FIBERGLASS LID, ATTACH LID WITH SS SCREWS (TYP)

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UNIVERSAL FLOW INDUCER, ORENCO OR APPROVED EQUAL (TYP OF 2)

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ORENCO PF500712 SUBMERSIBLE EFFLUENT PUMP OR APPROVED EQUAL (TYP)

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ROTATE PUMPS 90° FROM POSITIONSHOWN IN THE DRAWINGS

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2" UNION (TYP)

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ELEVATION 4250.08

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ELEVATION 4249.50

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48" STORM PRECAST CONCRETE STORM INLET, MONOLITHIC BASE

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4'-0" COVER

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2" UNION (TYP)

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2" NEPTUNE T-10 FLOWMETER WITH THREADED ENDS

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2" SCH 40 PIPE

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NO SCALE

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30" DIAMETER PVC ACCESS RISER WITH FIBERGLASS LID, ATTACH LID WITH SS SCREWS, ROTATE 90°FROM POSITION SHOWN

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CONCRETE OR MASONRY BLOCK SUPPORT

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7

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C3,C5,C6

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MANHOLE STEPS @ 12" O.C., ROTATE 90° FROM POSITION SHOWN

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9"

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6" MIN OF 3/4" COMPACTED CRUSHED BASE COURSE

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DRILL (3) 2" DIAMETER HOLES IN BASE FOR DRAINAGE

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FIBERGLASS TANK BACKFILL

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21

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C12

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PUMP SUBMERGENCE/ REDUNDANT OFF/ LOW LEVEL ALARM

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HIGH WATER ALARM FLOAT SWITCH

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SECURE TO TANK WITH SLIDE RAIL SYSTEM

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3"

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24"

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7"

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MIN

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30"

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7'-8"

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7"

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MIN

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NOTE: PROVIDE AND INSTALL PIPE SUPPORT FOR INFLOW TEE

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FROM COMFORT STATION

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4" SCH 80 PVC

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


COMFORT STATION PLAN AND PROFILE


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

143

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REMOVE AND REPLACE SIDEWALK

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STA 0+53.6 45° SCH 40 PVC BEND

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STA 0+00 CONNECT TO EXISTING PIPE

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STA 1+15.2 22.5° SCH 40 PVC BEND

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STA 1+18.5 FLOWMETER VAULT

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UGP

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REMOVE AND REPLACE ASPHALT SURFACING

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REMOVE AND REPLACE GRAVEL SURFACING

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REMOVE AND REPLACE LANDSCAPING ROCKS

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STA 3+20.6 11.25° SCH 40 PVC BEND

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STA 4+32.3 45° SCH 40PVC BEND

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STA 4+71.7 11.25° SCH 40PVC BEND

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STA 5+21.2 45° SCH 40PVC BEND

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TRANSITION TO SCH 80 PVC PRIOR TO ENTERING TANK

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TRANSITION TO SCH 80 PVC PRIOR TO ENTERING TANK

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4" SCH 40 PVC, MAINTAIN CONSISTANT GRADE FROM CONNECTION POINT TO TANK

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4" SCH 80 PVC

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2" SCH 40 PVC

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2" SCH 40 PVC

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2" SCH 40 PVC

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4.0' MINIMUM BURY DEPTH

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RECIRCULATION TANK

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AERATION/CLARIFICATION TANK

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PRE-ANOXIC TANK

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21

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C12

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19

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C11

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18

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C11

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5

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C4

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6

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C4

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4.0' MINIMUM BURY DEPTH

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1

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C2

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1

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C2

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1

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C2

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REMOVE AND REPLACE GRAVEL SURFACING

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1

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C2

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FLOWMETER VAULT

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7

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C4

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4" SCH 80 PVC

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SEWER CLEANOUT

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2

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C1

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SEWER PIPING TRENCH

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3

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C2

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SEWER PIPING TRENCH

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3

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C2

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W

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T

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T

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UGP

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UGP

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UGP

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W

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4040

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4030

AutoCAD SHX Text

4045

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4050

AutoCAD SHX Text

4055

AutoCAD SHX Text

4060

AutoCAD SHX Text

4065

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COMFORT STATION PIPE ALIGNMENT

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4035

AutoCAD SHX Text

4025

AutoCAD SHX Text

4070

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0+00

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0+50

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1+00

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1+50

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2+00

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2+50

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3+00

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4+00

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3+50

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4+50

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5+00

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5+50

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1 inch = ft.

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0

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4040

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4045

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4050

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4055

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4060

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4065

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4035

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4070

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25

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50

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50

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12.5

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6+00

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6+50

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4035

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4035

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON




28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON


MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

144

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S

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W

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T

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W

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1"W

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1"W

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1"W

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1"W

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RV DUMP STATION

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9

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C7

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REMOVE AND REPLACE GRAVEL SURFACE DISTURBED BY CONSTRUCTION, SLOPE TO DRAIN SEE DETAIL

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1

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C2

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DEMOLISH EXISTING RV DUMP STATION. REMOVE AND DISPOSE OF ALL EQUIPMENT AND CONCRETE.

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CONNECT TO EXISTING RV DUMP STATION WATER SUPPLY LINE, LOCATION IS UNKNOWN. PROVIDE EXPLORATORY EXCAVATION TO EXCAVATE FROM EXISTING DUMP STATION TO LOCATE THE LINE.

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RV DUMP STATION SEPTIC TANK

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C9

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14

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RV DUMP STATION SECONDARY EQUALIZATION BASIN TANK

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C9

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16

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RV DUMP STATION EQUALIZATION TANK/PUMP VAULT

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C9

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15

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4.0'

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3.0'

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±15.0'

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4"S

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4"S

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4"S

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CO

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CO

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ABANDON EXISTING SEWER MANHOLE, SEE CONSTRUCTION NOTES ON SHEET C2

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ABANDON EXISTING UNDERGROUND SEWER VAULT, SEE CONSTRUCTION NOTES ON SHEET C2

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2"FM

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2"FM

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2"FM

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2"FM

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TYPICAL SECTIONS (GRAVEL SURFACING)

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C2

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1

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TYPICAL SECTIONS (ASPHALT)

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C2

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1

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4"S

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CO

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1-1/2"FM

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1-1/2"FM

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FLOWMETER VAULT

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C4

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7

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SEWER CLEANOUT (TYP)

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C2

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2

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16.0'

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CP1

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4"S

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4"S

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COM

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COM

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16.0'

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4"S

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SEWER PIPING TRENCH

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C2

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3

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25.0'R

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UGP

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UGP

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UGP

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UGP

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UGP

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UGP

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UGP

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EXISTING POLE MOUNTED LIGHT OUTLET TO BE REMOVED COMPLETE. REMOVE WIRE AND CONDUIT DOWN TO GROUND LEVEL AND CAP. FIELD VERIFY CONNECTION AT PANEL, REMOVE WIRING AND MARK BREAKER AS SPARE.

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1 inch = ft.

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0

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5

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20

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20

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10

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8

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C1

RV DUMP STATION

6" BOLLARD DETAIL

RV DUMP STATION SIGN

SECTION B-B

SECTION A-A

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


RV DUMP STATION DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

145

AutoCAD SHX Text

NO SCALE

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9

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C6

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6" BOLLARD DETAIL (TYP OF 6)

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10

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C7

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LIGHT POLE BASE DETAIL

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FOOT OPERATED SANITARY HATCH (TYP OF 2)

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RV DUMP STATION SIGN

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NON-POTABLE WATER TOWER

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12

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C8

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POTABLE WATER TOWER

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12

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C8

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11

AutoCAD SHX Text

C7

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ADA RAMP WITH FLARES

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B

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C7

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B

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C7

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9'-0"

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7'-0"

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5'-0"

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2'-6"

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18"

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4'-6"

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2'-0"

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4'-0"

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4'-6"

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2'-6"

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18"

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7'-0"

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6'-0"

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12" RADIUS (TYP)

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7'-0"

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8"

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6'-0"

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6.5%

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6.5%

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7.6%

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6" DIAMETER SCHEDULE 40 STEEL PIPE FILLED WITH CONCRETE, PROVIDE DOMED CEMENT WASH CAP, PAINT PIPE (2) COATS TRAFFIC YELLOW

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NO SCALE

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10

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C7

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3'-6"

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3'-6"

AutoCAD SHX Text

RV DUMP STATION SLAB

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2'-0" DIAMETER

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TELESCOPING FOR EASY REPAIR

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2-1/2"x 36" LONG NON-PERFORATED SQUARE STEEL TUBING, SET 34" INTO CONCRETE

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6-0"

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18" DIAMETER CONCRETE BASE

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3'-0"

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(MIN.)

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2 ALUMINUM SIGNS PROVIDED BY OWNER, FACE IN OPPOSITE DIRECTIONS. BOLT TO STEEL TUBE WITH 1/2" CADMIUM PLATED BOLTS, NUTS, AND WASHERS.

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2" MAX.

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FASTEN POST TO ANCHOR 5/16" (ASTM 325) CORNER BOLT, SET 1-1/2" ABOVE GROUND, INSERT BOLT HEAD OPPOSITE FROM SIDE OF EXPECTED IMPACT, INSERT DRIVE RIVET INTO OPPOSITE OF BOLT HEAD.

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M-4000 CONCRETE

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NO SCALE

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11

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C7

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16"

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2"x 2"x 0.188" SQUARE STEEL TUBE. PROVIDE WELDED WATERTIGHT CAP.

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1"W

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1"W

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1"W

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4"SS

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4"SS

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12"

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1/2" QUARTER ROUND, ALL THE WAY AROUND TOP EDGE OF CONCRETE SLAB

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EL. 4284.80 TOP OF SLAB

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1.5%

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1.0%

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1.5%

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1.0%

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1.5%

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1.0%

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0.30' VERTICAL OFFSET FROM TOP OF SLAB TO ADJACENT GRAVEL SURFACE ALL AROUND SLAB, EXCEPT FOR ADA RAMP

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A

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C7

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A

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C7

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2

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E1

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NO SCALE

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B

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C7

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GRAVEL SURFACING

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FOOT OPERATED SANITARY HATCH (TYP OF 2)

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4" SCH 80 PVC ADAPTER, SOCKET x MIPT

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4" SCH 80 PIPE

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18"

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EXPANSION JOINT MATERIAL

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6"

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12"

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12"

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4"

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0.30'

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#4 REBAR AT 18" ON CENTER, EACH WAY

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9"

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3/4" COMPACTED CRUSHED BASE COURSE

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SOIL SEPARATION FABRIC

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NO SCALE

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A

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C7

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GRAVEL SURFACING

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12"

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0.30' (TYP)

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3/4" COMPACTED CRUSHED BASE COURSE

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SOIL SEPARATION FABRIC

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9"

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1.0% CROSS SLOPE

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GRAVEL SURFACING

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1/2" QUARTER ROUND (TYP)

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9'-0"

WATER TOWER

POTABLEWATER

NON-POTABLEWATER

ROCK LINE DETAIL

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


RV DUMP STATION DETAILS (2)


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

146

AutoCAD SHX Text

NO SCALE

AutoCAD SHX Text

SELF CONTAINED WATER TOWER

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9'-6" MINIMUM HEIGHT

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SECURE WITH STAINLESS STEEL CONCRETE ANCHORS PER MANUFACTURERS RECOMMENDATIONS

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1" DR 7 HDPE

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2" PVC SLEEVE

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PROVIDE FITTINGS AND COUPLINGS AS NECESSARY TO CONNECT TO WATER TOWER PIPING

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POTABLE WATER TOWER BASE AND STEEL HOUSING TO BE POWDER COATED BLUE, NON-POTABLE WATER TOWER BASE AND STEEL HOUSING TO BE POWDER COATED FOREST GREEN

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2 ALUMINUM SIGNS FACING OPPOSITE DIRECTIONS. DRILL AND TAP STEEL HOUSING AND ATTACHED WITH STAINLESS STEEL BOLTS, PROVIDE POTABLE OR NON-POTABLE SIGNS AS APPROPRIATE. SEE ADJACENT SIGN DETAIL.

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12"

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9"

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12"

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9"

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SIGN DETAIL

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12

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C7

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9" MIN

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18" MIN 26" MAX

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18" MIN 28" MAX

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8.0'

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8.0'

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EXTEND AT 8.0' SPACING TO END OF ROCK LINE

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TOPSOIL, EXISTING IN PLACE OR IMPORT IN AREAS TO BE LANDSCAPED

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3.0' DIAMETER ROCK (TYP), ROCK GEOLOGY SHALL NOT BE SUBJECT TO EROSION OR FRACTURE, ALL ROCKS SHALL BE OF SIMILAR COLOR AND TEXTURE

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NOTE: SET CENTER OF ROCK LNIE 2.0' FROM EDGE OF GRAVEL ROAD OR PARKING SURFACING

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NO SCALE

AutoCAD SHX Text

13

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C10

RV DUMP STATION SEPTIC TANK

RV DUMP STATION EQUALIZATION TANK/PUMP VAULT

RV DUMP STATION SECONDARY EQUALIZATION TANK

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


RV DUMP STATION TANK DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

147

AutoCAD SHX Text

78"

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5"

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88"

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85"

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LIQUID LEVEL

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8" EFFLUENT FILTER 54" HOUSING HEIGHT

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TO EQUALIZATION

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4" TANK SEAL (TYP)

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STANDARD INLET TEE (TYP OF 2) 18" CENTER TO CENTER

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2/3 CAPACITY

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1/3 CAPACITY

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FROM RV DUMP STATION OR HOST PADS

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4" SCH 40 PVC

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4" SCH 40 PVC

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NO SCALE

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14

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C6

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BASIN

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83"

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3 PIECE PRECAST CONCRETE 4000 GAL SEPTIC TANK

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TO TREATMENT

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PUMP OFF ELEVATION

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26"

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AutoCAD SHX Text

78"

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24"

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32"

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5"

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86"

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NO SCALE

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15

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C6

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STANDARD INLET TEE

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FROM COMFORT STATION SEPTIC TANK

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4" SCH 40 PVC

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HIGH LEVEL ALARM

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76"

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TIMER ENABLE FLOAT

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5"

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NO SCALE

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16

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C6

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4" PVC PIPE PENETRATION, CONNECT TO SECONDARY TANK

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HIGH LEVEL ALARM

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48"

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45"

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4" PVC PIPE PENETRATION, CONNECT TO EQUALIZATION TANK

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NOTE: THE RV DUMP STATION EQUALIZATION BASIN AND SECONDARY EQUALIZATION TANK ARE CONNECTED BY A 4" SCHEDULE 40 PVC PIPE.

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1-1/2" SCH 40 PVC PIPE TO TREATMENT

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1-1/2" TANK SEAL

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1-1/2" SCH 40 PVC BALL CHECK VALVE WITH DOUBLE UNION CONNECTIONS, POSITION WITHIN 18" OF RISER LID (TYP)

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1-1/2" SCH 40 PVC PIPE AND FITTINGS

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1-1/2" UNION (TYP)

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NOTE: SET PUMP CONTROLS TO LIMIT PUMP TO FOUR 6.5 MINUTE DOSES PER DAY

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ELEVATION 4269.15

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ELEVATION 4271.40

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ELEVATION 4268.90

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INV ELEV 4276.90

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7"

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MIN

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THREE 6" DIAMETER OPENINGS EVENLY SPACED ACROSS THE BAFFLE WALL, ALL AT SET 3.5' ABOVE THE TANK FLOOR ELEVATION

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24"

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7"

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MIN

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12"

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3"

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8" EFFLUENT FILTER, 54" HOUSING HEIGHT, ORENCO MODEL FT854-36 OR APPROVED EQUAL

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON




28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON


MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

148

AutoCAD SHX Text

PRESSURE DOSING PUMP VAULT

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C12

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23

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PRE-ANOXIC TANK

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C12

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18

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RECIRCULATION TANK

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C12

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21

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AutoCAD SHX Text

C11

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19

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10.0'

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ABOVE GROUND VENT/FAN ASSEMBLY

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4.0'

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4.0'

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2.0'

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(TYP)

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4282

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4281

AutoCAD SHX Text

4283

AutoCAD SHX Text

4282

AutoCAD SHX Text

4283

AutoCAD SHX Text

4284

AutoCAD SHX Text

4285

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ADVANTEX AX100 POD (TYP OF 4)

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4282.5

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4:1

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4:1

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4:1

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4:1

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4:1

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2.00%

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2.00%

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2.00%

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2.00%

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2.0%

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2.0%

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2.0%

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2.0%

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SET BOTTOM OF ALL ADVANTEX PODS AT ELEVATION 4279.83

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ADVANTEX PODS TO EXTEND 3" ABOVE GROUND SURFACE

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2.0'

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12.0'

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4.0'

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4.0'

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4.0'

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4.0'

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2.0'

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(TYP)

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4.0' RADIUS (TYP)

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DRAINAGE SWALE

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C13

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28

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4283

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GRAVEL SURFACING, SLOPE TO DRAIN SEE DETAIL

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1

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C2

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2.0'

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1-1/2" SCH 40 PVC PRE-ANOXIC RETURN LINE, SLOPE TO DRAIN

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ORENCO 2" AX-VENT OR APPROVED EQUAL, (TYP OF 4)

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16.0'

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16.0'

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WASTEWATER TREATMENT ELECTRICAL DETAIL

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E1

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1

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INSTALL ALL PIPING BETWEEN RECIRCULATION TANK AND TREATMENT PODS TO DRAIN BACK TO THE RECIRCULATION TANK AT A MINIMUM OF 1.5% SLOPE

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TREATMENT PODS PIPING MANIFOLD

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C13

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25

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16.0'

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SEWER PIPING TRENCH

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C2

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3

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15.0'R

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25.0'R

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25.0'R

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ROCK LINE DETAIL

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C8

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33

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UGP

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UGP

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1 inch = ft.

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0

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2.5

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20

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10

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5

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17

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C1

PRE-ANOXIC TANK


VENTURI INJECTOR

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


TANK DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

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ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

149

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NO SCALE

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18

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C5,C10

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LIQUID LEVEL

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21"

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BAFFLE WALL

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6"x 36" OPENING CENTERED HORIZONTALLY IN BAFFLE WALL

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NO SCALE

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19

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C5,C10

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CLARIFICATION

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STANDARD INLET TEE

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FROM RV DUMP STATION AND HOST PADS

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4" SCH 80 PVC

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ELEVATION 4269.75

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STANDARD TEE

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TO RECIRCULATION TANK

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4" SCH 80 PVC

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4"x2" AND 4"x1-1/2" SCH 40 PVC TEES

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11'-0"

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PUMP SUBMERGENCE/ PUMP OFF/ LOW LEVEL ALARM

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30"

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38"

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HIGH LEVEL ALARM

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71"

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TIMER ENABLE FLOAT

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ORENCO PF500712 SUBMERSIBLE EFFLUENT PUMP OR APPROVED EQUAL (TYP) FOR AERATION

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4"x1-1/2" SCH 80 PVC TEE FOR ANOXIC RETURN LINE

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NOTE: PROVIDE AND INSTALL PIPE SUPPORTS FOR ALL INFLOW AND OUTFLOW TEES

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ORENCO 1-1/2" DISCHARGE ASSEMBLY WITH DRAIN BACK OR APPROVED EQUAL (TYP)

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42"

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1-1/2" SCH 80 PVC, SLOPE TO DRAIN

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1-1/2" MAZZEI N22-DT MIXING NOZZLE OR APPROVED EQUAL (TYP OF 2)

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AERATION

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VENTURI EJECTOR DETAIL

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20

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C11

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2"x 1-1/2" REDUCER (TYP)

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3"

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22

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C12

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FIBERGLASS PUMP PLATFORM

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LIQUID LEVEL

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21"

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ELEVATION 4268.00

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22

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C12

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3"

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4" SCH 80 PVC

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2" AND 1-1/2" SCH 80 PVC, MAINTAIN 24" OF HORIZONTAL SEPARATION BETWEEN LINES

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FROM COMFORT STATION EFFLUENT PUMP VAULT (2")

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FROM RV DUMP STATION EQUALIZATION BASIN (1-1/2")

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HIGH WATER ALARM FLOAT SWITCH

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STANDARD TEE

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TO AERATION TANK

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4" SCH 80 PVC

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NOTE: PROVIDE AND INSTALL PIPE SUPPORTS FOR ALL THREE INFLOW AND OUTFLOW TEES

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NO SCALE

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20

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C11

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MAZZEI MODEL 1583 PVDT 1-1/2" INJECTOR OR APPROVED EQUAL

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90° PVC BEND(TYP)

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PVC UNION

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30"

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45° PVC BEND(TYP)

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PLAN VIEW

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30" PVC ACCESS RISER

RECIRCULATION TANK

PRESSURE DOSING PUMP VAULT


RECIRCULATING BALL VALVE

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


TANK DETAILS (2)


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

150

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%%P21"

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STANDARD INLET TEE

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FROM AERATION/ CLARIFICATION TANK

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4" SCH 80 PVC

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NO SCALE

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21

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C5,C10

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ELEVATION 4269.50

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34"

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REDUNDANT OFF/ LOW WATER ALARM

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TIMER ENABLE FLOAT

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37"

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68"

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65"

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2" SCH 40 PVC (TYP)

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HIGH LEVEL ALARM

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83"

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TO DRAIN FIELD

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2" TANK SEAL

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PUMP OFF ELEVATION

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PUMP ON ELEVATION

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78"

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25"

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28"

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33.75"

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2" SCH 40 PVC BALL CHECK VALVE WITH DOUBLE UNION CONNECTIONS, POSITION WITHIN 18" OF RISER LID (TYP)

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2" SCH 40 PVC PIPE AND FITTINGS

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2" SCH 40 PVC PIPE TO DRAIN FIELD

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5"

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86"

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NO SCALE

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23

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C10

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STANDARD INLET TEE

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FROM TREATMENT

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4" SCH 40 PVC

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HIGH LEVEL ALARM

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38"

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ORENCO PF500512 SUBMERSIBLE EFFLUENT PUMP OR APPROVED EQUAL (TYP OF 4) FOR RECIRCULATION

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2" UNION (TYP)

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ORENCO DISCHARGE ASSEMBLY WITH CHECK VALVE AND DRAIN BACK OR APPROVED EQUAL

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ELEVATION 4268.33

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NO SCALE

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22

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C4,C11,C12

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PROPEX GEOTEX 601 NONWOVEN GEOTEXTILE OR APPROVED EQUAL, MINIMUM 12" OVERLAPS

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MINIMUM 4" TOPSOIL

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SECONDARY BACKFILL - COURSE SAND AND/OR GRAVEL OR CLEAN NATIVE MATERIAL. 100% OF SECONDARY BACKFILL MATERIAL SHALL PASS THROUGH A 1" SIEVE

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PRIMARY BACKFILL - ASTM C33 #7 OR #8 CRUSHED STONE OR #6, #67 OR #7 ROUNDED STONE.

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12"

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75%%% OF TANK DIAMETER

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FIBERGLASS TANK

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59"

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RECIRCULATING BALL VALVE SEATING ELEVATION

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RECIRCULATING BALL VALVE

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24

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C12

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ORENCO PF500512 SUBMERSIBLE EFFLUENT PUMP OR APPROVED EQUAL FOR ANOXIC RETURN

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ORENCO DISCHARGE ASSEMBLY WITH DRAIN BACK OR APPROVED EQUAL

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22

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C12

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FIBERGLASS PUMP PLATFORM

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FIBERGLASS PUMP PLATFORMS

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NO SCALE

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24

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C12

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ORENCO MM4-FRP RECIRCULATING BALL VALVE OR APPROVED EQUAL

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8"

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4" SCH 40 PVC

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QUICK DISCONNECT (TYP)

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FLANGED FITTING SECURED TO ACCESS RISER WALL (TYP)

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ADJUST FLOAT STINGER LENGTH TO SEAT CONE AT 68" ABOVE TANK INSIDE BOTTOM ELEVATION

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FLOAT STINGER

TREATMENT PODS PIPING MANIFOLD

COMFORT STATION CONTROL PANEL

PROFILE

ABOVE GROUND VENT/FAN ASSEMBLY

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


TREATMENT DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

151

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BOTTOM TANK ELEVATION 4279.83

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TREATMENT POD (TYP OF 4)

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VENTILATION ASSEMBLY

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4" SCH 40 PVC TEE (TYP)

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4" SCH 40 PVC 90° BEND (TYP)

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1.5%

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1.5%

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1.5%

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OUTLET TO RECIRCULATING BALL VALVE, MINIMUM 1.5% PIPE SLOPE

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4" SCH 40 PVC

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NO SCALE

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25

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C10

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NO SCALE

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25

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C3

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COMFORT STATION WALL (NORTHWEST CORNER)

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MOUNT CONTROL PANEL TO CMU WALL SURFACE, NORTH WALL OF COMFORT STATION

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2" BLUEBOARD INSULATION TYP ALL SIDES OF TREATMENT PODS

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INSUALTED COVER (TYP)

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ORENCO AXVFA VENT FAN ASSEMBLY OR APPROVED EQUAL

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28" WIDE x 54" LONG x 4" DEEP CONCRETE SLAB

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GRAVEL SURFACING

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NO SCALE

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27

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C10

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4" PVC COUPLING, VERTICALLY CENTER TO MATCH TOP OF SLAB

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4" SCH 40 PIPE

ELEVATIONPLAN

ZONE SELECTION VALVE DETAIL

36" INFILTRATION CHAMBER TRENCH

DRAIN FIELD CLEANOUT

PRESSURE DOSED DRAIN FIELD ZONE

DRAWN BY: DATE:

CHECKED BY: DATE:



T:

APPROVED BY: DATE:

J. LARSON


DRAIN FIELD DETAILS


28 ANTLER AVENUE

CLANCY, MT 59634

406-443-6111

[email protected]

ENGINEERING, LLC

CIVIL

LARSON

MARCH 30, 2021

MARCH 30, 2021 MARCH 30, 2021

152

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INFILTRATOR SYSTEMS, INC. QUICK4 STANDARD CHAMBER OR APPROVED EQUAL

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4" OF SALVAGED TOPSOIL

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REVEGETATE WITH NATIVE DRYLAND SEED MIX

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EARTH BACKFILL

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1-1/2" SCHEDULE 40 PVC PRESSURE DOSING PIPE

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3'-0"

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34"

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12"

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TRENCH WALL

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SLOPE GROUND AWAY FROM RISER

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24" DIA. PVC ACCESS RISER WITH FIBERGLASS LID, ATTACH LID WITH SS SCREWS (TYP), FULLY INSULATE VAULT AND LID

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2" SCH 40 PVC 90° BEND(TYP OF 6)

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30"

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4" OF 3/4" MINUS WASHED ROCK

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2" SCH 40 PVC 90° BEND

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1-1/2" SCH 40 PVC 90° BEND

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1-1/2" SCH 40 PVC PIPE

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2" SCH 40 PVC PIPE (TYP)

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24" DIA. PVC ACCESS RISER WITH FIBERGLASS LID, ATTACH LID WITH SS SCREWS (TYP)

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TO ZONE

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FROM TREATMENT

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ORENCO V6606A AUTOMATIC DISTRIBUTING ASSEMBLY VALVE OR APPROVED EQUAL

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FROM TREATMENT

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1-1/2" SCH 40 PVC UNIONS (TYP OF 6)

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1-1/2" SCH 40 PVC UNION

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LONG SWEEP ELBOW

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THREADED PLUG

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METAL T-POST, 5.0' LONG, 1.25 LBS/FT

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24" TO 36"

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TO ZONE

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TO ZONE

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TO ZONE

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TO ZONE

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TO ZONE

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2"x 1-1/2" SCH 40 PVC REDUCER (TYP )

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TRENCH DEPTH

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NOTE: TRENCH BED SHALL BE LEVEL

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NO SCALE

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30

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C1

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NO SCALE

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29

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C14

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NO SCALE

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31

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C14

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ORENCO V6606A AUTOMATIC DISTRIBUTING ASSEMBLY VALVE OR APPROVED EQUAL

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68.0' (TYP)

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65.0' (TYP)

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2.0'

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4.0' TRENCH SEPARATION (TYP)

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5.0' ORIFICE SPACING (TYP)

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2" SCH. 40 PVC (TYP)

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(TYP)

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1.5' (TYP)

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2.0' (TYP)

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1-1/2" SCH. 40 PVC (TYP)

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FROM ZONE SELECTION VALVE

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DRAIN FIELD CLEANOUT, (TYP OF 4 PER ZONE)

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INFILTRATION CHAMBER SYSTEM END CAP (TYP)

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3/16" ORIFICE (TYP)

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NO SCALE

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28

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C1

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36"x 4.O' INFILTRATION CHAMBER (TYP OF 68 PER ZONE)

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2" PVC GATE VALVE, THROTTLE TO ADJUST FOR ELEVATION DIFFERENCE IN DRAIN FIELD LATERAL ELEVATIONS, BURY IN PLACE, ORENCO HIGH-PRESSURE GATE VALVES OR EQUAL (TYP OF 3 PER ZONE)

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31

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C14

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36" INFILTRATION CHAMBER TRENCH (TYP)

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29

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C14

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NOTE: : THE EASTERN MOST DRAIN FIELD ZONE IS A MIRROR IMAGE OF THIS DETAIL.

lewis and clark caverns road highway 2

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