don b. kerl - zenith construction...don b. kerl don b. kerl, r.a. j:\_design services projects...
TRANSCRIPT
Harris County Engineering Department Supplemental Instructions
HCED – ASI#003 – Additional Network Items Page 1 of 4 2/20/2018
PROJECT: Environmental Education Center at John Paul’s Landing
ARCHITECTURAL SUPPLEMENTAL INSTRUCTION NO:
#00 3
OWNER: Harris County 10555 Northwest Frwy., SUITE 213 Houston, TX. 77092
DATE OF ISSUANCE: 0 2 / 2 0 / 2 0 1 8 CONTRACT FOR: G e n e r a l Construction
FROM ARCHITECT: Harris County Engineering Dept. Design Services
CONTRACT DATE: 01/22/2018
TO CONTRACTOR: Desert Eagle, LLC DBA PANORAMA CONSTRUCTION 9219 Katy Fwy, Ste 264 Houston, TX 77024
HARRIS COUNTY UPIN NUMBER: 171033020806
The Work shall be carried out in accordance with the following supplemental instructions issued in accordance with the Contract Documents. If there is any change in Contract Sum or Contract Time the Contractor will submit a Change Proposal subject to approval prior to performance of the work. Proceeding w i t h t he W ork without submittal of a Change proposal i n accordance with these instructions indicates your acknowledgement that there will be no change in the Contract Sum or Contract Time.
DESCRIPTION:
1) Provide & install additional: a. conduit, pull strings, boxes and blank cover plates for additional data/phone jacks b. wiring, conduit, pull strings, boxes and cover plates for additional duplex outlets c. 4’ x 8’ x ¾” FR plywood d. Any additional items as shown on attached drawings
ATTACHMENTS:
A) Sheet A-1.01, E-1.01 and E-0.01 ISSUED BY THE ARCHITECT/ENGINEER:
Don B. Kerl Don B. Kerl, R.A.
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ELECTRICAL SYMBOLS LEGEND
surface or recessed luminaireA
exit sign, ceiling & wall mount,dark area is sign face
X1X
B surface/recessed luminaire,emergency
Crecessed luminaire
D wall mounted luminaire
3 wall switch, 3 = 3-way
wallbox dimmer switch
wallbox occupancy sensor switch
ceiling occupancy sensor
ceiling occupancy sensor relay
quadraplex receptacle
duplex receptacle' C = controlled
GFCI duplex receptacle,WP = weatherproof
receptacle above countertop
duplex receptacle floor box
multi-outlet surface raceway with20A receptacles 12" o.c.
WP
junction box
conduit above ground & ceiling
conduit underground
circuit homerun to panel HAHA-1,3,5
200/150/3Rsafety (disconnect) switch, 200A,150A fuse, NEMA 3R enclosure
combination motor starter.VFD = VFD
VFD
panelboard, flush or surfaceHA
manual motor starter switch
dry-type transformer75
motor for pump, HVAC, fan
combination data/phone outletwith 1"C to ceilingcombination data/phone outlet with1"C to ceiling, above countertop
TV / video outlet
combination data/phone floor box
C
CONSTRUCTION SPECIFICATIONS
A. CIRCUITING
1. ALL INTERIOR WIRING WILL GENERALLY BE THHN/THWN 90°CSTRANDED COPPER, #8 AND LARGER IN 1/2"C MIN EMT.CONDUCTORS #14 THROUGH #6 WILL BE SOLID COPPER. EXTERIORCONDUIT WILL BE RIGID STEEL OR ALUMINUM.
2. EACH WORK STATION RECEPTACLE HOMERUN MAY CONSIST OF THREEPHASES, THREE NEUTRALS, AND ONE EQUIPMENT GROUNDINGCONDUCTOR IN A 1/2" CONDUIT. LIGHTING CIRCUITS & GENERALRECEPTACLE CIRCUITS MAY SHARE A COMMON NEUTRAL, EXCEPT FORDIMMING CIRCUITS, WHICH WILL HAVE SEPARATE NEUTRALS. THUS, 6#12,2#12N, 1#12G, 1/2"C.
3. UNDERGROUND CIRCUITS WILL BE 75°C THHW, THWN, OR XHHWCONDUCTORS (CU OR AL) IN SCHEDULE 40 PVC CONDUIT ENCASED INCONCRETE OR DIRECTLY BURIED. TYPES A AND EB PVC AND HDPESCHEDULE 40 ENCASED IN CONCRETE MAY USE 90°C CONDUCTORS.90° DEG ELBOWS WILL BE RIGID STEEL & STUB-UPS WILL BEPVC-COATED RIGID STEEL. TYPE HDPE MAY USE 90°C CONDUCTORS,DIRECTLY BURIED WITH A 2" THICK CONCRETE COVER.
4. MAXIMUM HORIZONTAL HOMERUN LENGTH FOR LIGHTING ANDRECEPTACLE CIRCUITS FOR A 3% VOLTAGE DROP:
a. #12 @ 120V= 60 L.F.b. #10 @ 120V= 90 L.F.c. #12 @ 277V= 100 L.F.d. #10 @ 277V= 160 L.F.
B. MOUNTING HEIGHTS IN ACCORDANCE WITH TEXAS ACCESSIBILITYSTANDARDS (TAS):
1. RECEPTACLES: 18" A.F.F. TO CENTERLINE OF OUTLET BOX & 4" ABOVEBACKSPLASH.
2. WALL SWITCHES, FA PULL STATIONS: MAX. 48" A.F.F. TO TOP OFOUTLET BOX.
3. FIRE ALARM AUDIO/VISUAL ALARMS: 80" A.F.F. TO BOTTOM OFDEVICE OR 6" BELOW CEILING, WHICHEVER IS LOWER.
C. EQUIPMENT MOUNTING:
1. FLOOR-MOUNTED SWITCHBOARDS AND TRANSFORMERS WILL BEINSTALLED ON 4" CONCRETE PADS WITH SMOOTH ROUNDED EDGES.
2. DRY-TYPE TRANSFORMERS 30kVA AND SMALLER MAY BE WALLMOUNTED WITH PROPER SUPPORT.
3. LIGHTING TROFFERS WILL BE SECURED TO CEILING GRID WITH A CLIPON EACH SIDE, AS WELL AS FOUR WIRES SECURED TO BUILDINGSTRUCTURE.
4. EMERGENCY EQUIPMENT (PANELBOARDS, ATS, GENERATORS, ETC)WILL BE INSTALLED ON WALLS OR CONCRETE PADS 12" A.F.F INCOMPLIANCE WITH FEMA GUIDELINES. THIS APPLIES TO GROUNDFLOOR INSTALLATIONS ONLY.
D. EMERGENCY RECEPTACLES WILL BE COLORED RED.
E. ALL ELECTRICAL WORK WILL MEET THE LATEST VERSIONS OF THE IBC,NEC & LOCAL CODES.
F. GROUNDING ELECTRODES: TACK-WELD A PIECE OF REBAR BETWEENTHE BUILDING FOOTING REBAR AND ONE COLUMN ANCHOR BOLT. DOTHIS IN EVERY STRUCTURAL FOOTING.
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