2017 manhole rehabilitation - den business center...
TRANSCRIPT
Department of Aviation Airport Office Building
8500 Peňa Boulevard Denver, Colorado
(303) 342-2200 www.flydenver.com
May 19, 2017
2017 Manhole Rehabilitation
CONTRACT NO. 201733451
ADDENDUM NUMBER ONE This Addendum Number One supersedes and/or supplements all portions of the Contract Documents with which it conflicts. Bidders must acknowledge receipt of this addendum on Page 28 of the Revised Bid Forms. __________________________________ Irene Chhor Project Manager
D E N V E R I N T E R N A T I O N A L A I R P O R T
2017 MANHOLE REHABILITATION
CONTRACT NO. 201733451
ADDENDUM NUMBER ONE
Scope of this Addendum Addendum Number One includes modifications to the following Contract Documents issued May 10, 2017. These modifications are deemed necessary by the City and County of Denver. PART TWO, VOL. 3 - DRAWINGS The drawings outlined herein are being re-issued for bidding purposes as noted below. Sheet No. CP-1 Is re-issued in its entirety, see attached Sheet No. CP-2 Is re-issued in its entirety, see attached Sheet No. SP-1 Is re-issued in its entirety, see attached Sheet No. SP-2 Is re-issued in its entirety, see attached Sheet No. SP-3 Is re-issued in its entirety, see attached Sheet No. SP-4 Is re-issued in its entirety, see attached The total number of pages (including cover sheet) contained in this Addendum Number One is eight (8).
* * * * * * *
End of Addendum Number One.
NO PARKING
B33
37-8-9
A319-320 37-7 E70-75W
CR2-7
AS SHOWN
CP-1
SM05-D-CP001.dgn
L HAUGEN
272
LAYOUT PLANS
CLOSURE
M MONAHAN
1NTS
PP-01
2NTS
PP-01
TAXIWAY M9
TAXIWAY EC
TA
XIW
AY L
VA
ND
RIV
ER S
TR
EE
T
REHABILITATED
SAG MH TO BE
SEE NOTE 4
TRENCH DRAIN
OUTER DIW
MARKING
SAFETY PROFILE
AIRCRAFT PARKING
GREEN TAXILANE
B-33AFUEL PIT
B-33BFUEL PIT
TYPICAL AIRCRAFT GATE WORK TYPICAL TAXIWAY OR TAXILANE WORK
TABLE 1 - TAXIWAY SAFETY AREA AND OBJECT FREE AREA
TYPICAL TAXIWAY OR TAXILANE WORK DETAIL NOTES
TYPICAL AIRCRAFT GATE WORK DETAIL NOTES
34
129.5' 129.5'
85.5' 85.5'
107'
160'
107'
160'
107'
160'
107'
160'
AD
G I
V O
FA (259 F
T)
AD
G I
V O
FA (259 F
T)
ADG V OFA (320 FT) ADG V OFA (320 FT)
ADG V OFA (320 FT)ADG V OFA (320 FT)
ADG V SA (214 FT)
ADG V SA (214 FT)
AD
G I
V S
A (171 F
T)
AD
G I
V S
A (171F
T)
ADG V SA (214 FT)
ADG V SA (214 FT)
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17
PAVEMENTS TO AIRCRAFT OPERATIONS.
ACTIVITY IMMEDIATELY, UPON NOTIFICATION BY DEN, IN ORDER TO RE-OPEN AIRFIELD
THOSE CITED ABOVE. THE CONTRACTOR SHALL BE PREPARED TO DE-MOBILIZE ALL CONSTRUCTION
AND OVERSEE THAT THE WORK TAKES PLACE IN COMPLIANCE WITH DEN AOA STANDARDS AND
DEN MAY PROVIDE, AT THEIR DISCRETION, AN ESCORT TO PROVIDE ACCESS TO THESE AREAS5.
CONSIDER THIS WORK AS INCIDENTAL TO THE SAG MANHOLE REHABILITATION ITEM.
EDGE-LIGHT COVERS, BLANK SIGN FACES, ETC.), AS DIRECTED BY THE DEN PM, AND SHALL
ALL REQUIRED CLOSURE ELEMENTS (LOW-PROFILE BARRICADES, PAVEMENT MARKINGS,
REQUIRE CLOSURE OF THE AFFECTED TAXIWAY/TAXILANE. THE CONTRACTOR SHALL INSTALL
THE DEN PM, IN ADVANCE OF COMMENCING WITH CONSTRUCTION ACTIVITIES, AND WILL
WORK WHICH IS REQUIRED TO TAKE PLACE WITHIN THE OFA SHALL BE COORDINATED WITH4.
AIRFIELD PAVEMENT, PRIOR TO COMMENCING WITH WORK ADJACENT TO THESE PAVEMENTS.
COORDINATE WITH THE DEN PM TO IDENTIFY THE SPECIFIC SA AND OFA BOUNDARIES FOR ALL
TYPICAL AND FOR THE CONTRACTOR'S REFERENCE ONLY. THE CONTRACTOR SHALL
AREA WIDTHS (SAW) AND OBJECT FREE AREA WIDTHS SHOW IN TABLE 1 OF THIS SHEET ARE
THE AOA FOR THE VARIOUS AFFECTED TAXIWAYS, TAXILANES, AND AIRCRAFT APRONS. SAFETY
SAFETY AREA (SA) AND OBJECT FREE AREA (OFA) CLEARANCE WIDTHS VARY THROUGHOUT3.
OPERATIONS.
TAXIWAY/TAXILANE OBJECT FREE AREA (OFA), WHILE THE PAVEMENT IS OPEN TO AIRCRAFT
TO AIRFIELD PAVEMENTS. NO CONSTRUCTION ACTIVITY MAY TAKE PLACE WITHIN THE
CIRCULAR (AC) 150/5370-2 (CURRENT EDITION) FOR WORK WHICH IS TO TAKE PLACE ADJACENT
THE CONTRACTOR SHALL COMPLY WITH ALL REQUIREMENTS OUTLINED IN FAA ADVISORY2.
FOR WORK WHICH IS TO TAKE PLACE WITHIN THE DEN AOA.
THE CONTRACTOR SHALL COMPLY WITH ALL GENERAL NOTES AND SAFETY NOTES (SHEET G-2)1.
STRUCTURE LIDS, UPON COMPLETION OF EACH WORK SHIFT.
CONTRACTOR SHALL COVER ALL EXCAVATIONS, TRENCHES, OPEN PITS, AND REPLACE ALL5.
SQUARE, IN ACCORDANCE WITH SHEET CP-3 DETAIL 2.
CONSTRUCTION DELINEATOR CONES AROUND THE WORK IMPACT AREA, NOT TO EXCEED 10-FOOT
CONTRACTOR SHALL INSTALL A SECURE PERIMETER OF LOW-PROFILE BARRICADES AND4.
THAT THE DEN PM CAN COORDINATE WITH THE APPROPRIATE AIRLINE TO SCHEDULE THE WORK.
PERFORMANCE OF THE WORK ADJACENT TO AIRCRAFT GATES ON AIRCRAFT RAMPS, IN ORDER
DICTATED BY THE DEN PM. CONTRACTOR SHALL COORDINATE WITH THE DEN PM IN ADVANCE OF
REQUIRE CLOSURE OF THE AIRCRAFT GATE. NIGHT WORK MAY BE REQUIRED FOR THIS WORK, AS
WORK INSIDE OF, OR WITHIN 20-FEET OF, THE AIRCRAFT PARKING SAFETY PROFILE MARKING WILL3.
LIMITS.
TYPICAL TAXILANE CLOSURE DETAILS FOR PERTINENT REQUIREMENTS FOR WORK WITHIN THE A
AREA (OFA), WHILE THE PAVEMENT IS OPEN TO AIRCRAFT OPERATIONS. SEE SHEET CP-1 FOR THE
PAVEMENTS. NO CONSTRUCTION ACTIVITY MAY TAKE PLACE WITHIN THE TAXILANE OBJECT FREE
(AC) 150/5370-2 (CURRENT EDITION) FOR WORK WHICH IS TO TAKE PLACE ON AIRFIELD RAMP
THE CONTRACTOR SHALL COMPLY WITH ALL REQUIREMENTS OUTLINED IN FAA ADVISORY CIRCULAR2.
FOR WORK WHICH IS TO TAKE PLACE WITHIN THE DEN AOA.
THE CONTRACTOR SHALL COMPLY WITH ALL GENERAL NOTES AND SAFETY NOTES (SHEET G-2)1.
SAG-05669
AS SHOWN
CP-2
SM05-D-CP002.dgn
L HAUGEN
272
LAYOUT PLANS
CLOSURE
M MONAHAN
TAXIWAY WC
SEE NOTE 3
TYPICAL INFIELD AREA WORK NOTES
35
160'
160'
SEE TABLE 1 ON SHEET CP-1 FOR THE APPLICABLE TAXIWAY SAFETY AREA AND OBJECT FREE AREA LIMITS.5.
IN ACCORDANCE WITH FAA AC 150/5370-2F, SECTION 221.C(4).
OPEN TRENCHES OR EXCAVATIONS ARE NOT PERMITTED WITHIN THE SAFETY AREA OF ADJACENT AIRFIELD PAVEMENTS. REMEDIATION SHALL TAKE PLACE
CONTRACTOR SHALL COVER ALL EXCAVATIONS, TRENCHES, OPEN PITS, AND REPLACE ALL STRUCTURE LIDS, UPON COMPLETION OF EACH WORK SHIFT.4.
NOT TO EXCEED 10-FOOT SQUARE, INCLUDING LIGHTED CONSTRUCTION DELINEATOR CONES FOR NIGHTTIME VISIBILITY.
CONTRACTOR SHALL INSTALL A SECURE PERIMETER OF CONSTRUCTION DELINEATOR CONE PER DETAIL 5 ON SHEET CP-3 AROUND THE WORK IMPACT AREA,3.
REQUIREMENTS FOR WORK WITHIN THE OFA LIMITS.
(OFA), WHILE THE PAVEMENT IS OPEN TO AIRCRAFT OPERATIONS. SEE SHEET CP-1 FOR THE TYPICAL TAXIWAY OR TAXILANE CLOSURE DETAIL FOR PERTINENT
IS TO TAKE PLACE ADJACENT TO AIRFIELD PAVEMENTS. NO CONSTRUCTION ACTIVITY MAY TAKE PLACE WITHIN THE TAXIWAY/TAXILANE OBJECT FREE AREA
THE CONTRACTOR SHALL COMPLY WITH ALL REQUIREMENTS OUTLINED IN FAA ADVISORY CIRCULAR (AC) 150/5370-2 (CURRENT EDITION) FOR WORK WHICH2.
THE CONTRACTOR SHALL COMPLY WITH ALL GENERAL NOTES AND SAFETY NOTES (SHEET G-2) FOR WORK WHICH IS TO TAKE PLACE WITHIN THE DEN AOA.1.
ADG V OFA (320 FT)
ADG V SA (214 FT)
ADG V OFA (320 FT)
ADG V SA (214 FT)
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17
1NTS
---
TYPICAL INFIELD AREA WORK
107'
107'
M MONAHAN
SP-1
L HAUGEN
272
SM05-D-SP001_2017.dgn
SUMMARY 1
MANHOLE
SURFACE RESTORATION, SEE
FOR OBJECT FREE AREA - CONCRETE COLLAR UNIMPROVED6.
SPECIFICATION.
SURFACE. CONCRETE REPLACED AIRSIDE IS PER AIRFIELD
A CONCRETE SURFACE, BUT NOT AIRFIELD CONCRETE PANEL
EXISTING SURFACE CONDITION "CONCRETE" LOCATED AIRSIDE IS5.
FOR COMPLETE MANHOLE REHABILITATION.
SEALS ARE NOT REQUIRED WHEN THE MANHOLE IS IDENTIFIED
DRILLING AND GROUTING PRECAST JOINTS. INTERIOR FRAME
OF THE CHIMNEY, CORBEL, WALL, BENCH, AND TROUGH, AND
COMPLETE MANHOLE REHABILITATION INCLUDES REHABILITATION4.
ARE APPROXIMATE.
QUANTITIES WERE CALCULATED BASED ON THE FIELD DATA AND3.
ADJUSTMENT TO THE UNIT PRICING IS DUE TO THE CONTRACTOR.
CAN BE DELETED OR ALTERED AT DEN’S DISCRETION AND NOCOMPLETION UNDER SEPARATE CONTRACT AND THE QUANTITIES
THE MANHOLES IDENTIFIED AS “GARDI” ARE SUBJECT TO2.
THE MANHOLE INSPECTION SHEET SHALL TAKE PRECEDENCE.
SHEET AND THE INDIVIDUAL MANHOLE INSPECTION SHEETS,
DISCREPANCY ON THE WORK BETWEEN THE MANHOLE SUMMARY
TO BE PERFORMED AT EACH MANHOLE. IN THE EVENT OF A
ONLY AND PROVIDE ADDITIONAL INFORMATION ON THE WORK
MANHOLE SUMMARY SHEETS ARE PROVIDED FOR REFERENCE1.
NOTES:
2
DT-7
29
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
AS SHOWN
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17
M MONAHAN
SP-2
L HAUGEN
272
SUMMARY 2
MANHOLE
SM05-D-SP002_2017.dgn
2
DT-7
30
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
AS SHOWN
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17
SURFACE RESTORATION, SEE
FOR OBJECT FREE AREA - CONCRETE COLLAR UNIMPROVED6.
SPECIFICATION.
SURFACE. CONCRETE REPLACED AIRSIDE IS PER AIRFIELD
A CONCRETE SURFACE, BUT NOT AIRFIELD CONCRETE PANEL
EXISTING SURFACE CONDITION "CONCRETE" LOCATED AIRSIDE IS5.
FOR COMPLETE MANHOLE REHABILITATION.
SEALS ARE NOT REQUIRED WHEN THE MANHOLE IS IDENTIFIED
DRILLING AND GROUTING PRECAST JOINTS. INTERIOR FRAME
OF THE CHIMNEY, CORBEL, WALL, BENCH, AND TROUGH, AND
COMPLETE MANHOLE REHABILITATION INCLUDES REHABILITATION4.
ARE APPROXIMATE.
QUANTITIES WERE CALCULATED BASED ON THE FIELD DATA AND3.
ADJUSTMENT TO THE UNIT PRICING IS DUE TO THE CONTRACTOR.
CAN BE DELETED OR ALTERED AT DEN’S DISCRETION AND NOCOMPLETION UNDER SEPARATE CONTRACT AND THE QUANTITIES
THE MANHOLES IDENTIFIED AS “GARDI” ARE SUBJECT TO2.
THE MANHOLE INSPECTION SHEET SHALL TAKE PRECEDENCE.
SHEET AND THE INDIVIDUAL MANHOLE INSPECTION SHEETS,
DISCREPANCY ON THE WORK BETWEEN THE MANHOLE SUMMARY
TO BE PERFORMED AT EACH MANHOLE. IN THE EVENT OF A
ONLY AND PROVIDE ADDITIONAL INFORMATION ON THE WORK
MANHOLE SUMMARY SHEETS ARE PROVIDED FOR REFERENCE1.
NOTES:
M MONAHAN
SP-3
L HAUGEN
272
SUMMARY 3
MANHOLE
SM05-D-SP003_2017.dgn
31
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
AS SHOWN
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17
SURFACE RESTORATION, SEE
FOR OBJECT FREE AREA - CONCRETE COLLAR UNIMPROVED6.
SPECIFICATION.
SURFACE. CONCRETE REPLACED AIRSIDE IS PER AIRFIELD
A CONCRETE SURFACE, BUT NOT AIRFIELD CONCRETE PANEL
EXISTING SURFACE CONDITION "CONCRETE" LOCATED AIRSIDE IS5.
FOR COMPLETE MANHOLE REHABILITATION.
SEALS ARE NOT REQUIRED WHEN THE MANHOLE IS IDENTIFIED
DRILLING AND GROUTING PRECAST JOINTS. INTERIOR FRAME
OF THE CHIMNEY, CORBEL, WALL, BENCH, AND TROUGH, AND
COMPLETE MANHOLE REHABILITATION INCLUDES REHABILITATION4.
ARE APPROXIMATE.
QUANTITIES WERE CALCULATED BASED ON THE FIELD DATA AND3.
ADJUSTMENT TO THE UNIT PRICING IS DUE TO THE CONTRACTOR.
CAN BE DELETED OR ALTERED AT DEN’S DISCRETION AND NOCOMPLETION UNDER SEPARATE CONTRACT AND THE QUANTITIES
THE MANHOLES IDENTIFIED AS “GARDI” ARE SUBJECT TO2.
THE MANHOLE INSPECTION SHEET SHALL TAKE PRECEDENCE.
SHEET AND THE INDIVIDUAL MANHOLE INSPECTION SHEETS,
DISCREPANCY ON THE WORK BETWEEN THE MANHOLE SUMMARY
TO BE PERFORMED AT EACH MANHOLE. IN THE EVENT OF A
ONLY AND PROVIDE ADDITIONAL INFORMATION ON THE WORK
MANHOLE SUMMARY SHEETS ARE PROVIDED FOR REFERENCE1.
NOTES:
2
DT-7
M MONAHAN
SP-4
L HAUGEN
272
SUMMARY 4
MANHOLE
SM05-D-SP004_2017.dgn
SURFACE RESTORATION, SEE
FOR OBJECT FREE AREA - CONCRETE COLLAR UNIMPROVED6.
SPECIFICATION.
SURFACE. CONCRETE REPLACED AIRSIDE IS PER AIRFIELD
A CONCRETE SURFACE, BUT NOT AIRFIELD CONCRETE PANEL
EXISTING SURFACE CONDITION "CONCRETE" LOCATED AIRSIDE IS5.
FOR COMPLETE MANHOLE REHABILITATION.
SEALS ARE NOT REQUIRED WHEN THE MANHOLE IS IDENTIFIED
DRILLING AND GROUTING PRECAST JOINTS. INTERIOR FRAME
OF THE CHIMNEY, CORBEL, WALL, BENCH, AND TROUGH, AND
COMPLETE MANHOLE REHABILITATION INCLUDES REHABILITATION4.
ARE APPROXIMATE.
QUANTITIES WERE CALCULATED BASED ON THE FIELD DATA AND3.
ADJUSTMENT TO THE UNIT PRICING IS DUE TO THE CONTRACTOR.
CAN BE DELETED OR ALTERED AT DEN’S DISCRETION AND NOCOMPLETION UNDER SEPARATE CONTRACT AND THE QUANTITIES
THE MANHOLES IDENTIFIED AS “GARDI” ARE SUBJECT TO2.
THE MANHOLE INSPECTION SHEET SHALL TAKE PRECEDENCE.
SHEET AND THE INDIVIDUAL MANHOLE INSPECTION SHEETS,
DISCREPANCY ON THE WORK BETWEEN THE MANHOLE SUMMARY
TO BE PERFORMED AT EACH MANHOLE. IN THE EVENT OF A
ONLY AND PROVIDE ADDITIONAL INFORMATION ON THE WORK
MANHOLE SUMMARY SHEETS ARE PROVIDED FOR REFERENCE1.
NOTES:
2
DT-7
32
DENVER
INTERNATIONAL
AIRPORT
CITY & COUNTY
of DENVER
ISSUE RECORD
NO. BY PURPOSE DATE CKD
SCALE
DATE
DRAWN BY:
CHECKED BY:
FAA AIP NO:
WORK BREAKDOWN NO.
DESIGN CONTRACT NO.
CONST. CONTRACT NO.
VOLUME NO.
SHEET TITLE
SHEET NO.
CADD FILE NO.
LASE
EV
NE
DF
O
R
D
NA
YTI
C
YTOC NU
1
OF
AS SHOWN
201733451
RE
HA
BILIT
ATIO
N
2017 M
AN
HO
LE
201415658-TO12
5/03/17