PNQS 25-8705 Gas Line Repair Drawings V3.pdf
PDF 7 MB Posted
- Solicitation number
- FA330025RFI0013
About this file
These technical drawings detail a gas line repair project at Maxwell Air Force Base in Montgomery, Alabama, with Project Number PNQS 25-8705. The documents include multiple site plans and construction details for repairing and replacing natural gas distribution infrastructure across several locations on the base. Key construction activities include cutting and capping existing 3-inch and 8-inch steel lines, running new 2-inch and 1 1/4-inch lines to Housing Office and Housing Maintenance facilities, adding 8-inch poly lines with transition fittings, removing existing steel valves, and installing new 3-inch poly lines. The project requires careful coordination, with specific notes emphasizing the presence of underground communication conduits and fiber optic/copper cables along Maxwell Boulevard and housing areas, mandating cautious excavation and up-to-date digging permits. Technical specifications cover trench construction, valve box settings, erosion control, and utility crossing requirements, with a minimum 12-inch vertical clearance required when new gas lines intersect other underground utilities.
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Text version
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Communications underground conduits and manholes with several fiber optic and copper cables are in these areas along Maxwell Blvd and the housing area. CAUTION must be taken during this project. Digging permits need to be submitted and kept up to date throughout the entire installation of the gas lines.
PROPOSED GAS LINES
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EXISTING GAS LINES
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EXISTING GAS LINES
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DISTRIBUTION GAS LINES
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Sheet Reference Number:
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Communications underground conduits and manholes with several fiber optic and copper cables are in these areas along Maxwell Blvd and the housing area. CAUTION must be taken during this project. Digging permits need to be submitted and kept up to date throughout the entire installation of the gas lines.
Communications underground conduits and manholes with several fiber optic and copper cables are in these areas along Maxwell Blvd and the housing area. CAUTION must be taken during this project. Digging permits need to be submitted and kept up to date throughout the entire installation of the gas lines.
NEW CONSTRUCTION
PLAN 1
Communications underground conduits and manholes with several fiber optic and copper cables are in these areas along Maxwell Blvd and the housing area. CAUTION must be taken during this project. Digging permits need to be submitted and kept up to date throughout the entire installation of the gas lines.
NEW CONSTRUCTION PLAN 2
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GRADE IN PAVEMENT OR
ROAD SHOULDER AND
FLUSH WITH FINISH
GRADE ELSEWHERE
6" MIN, 1' o• MA
LOWER SECTION
NOTE:
PROVIDE BLOCKING SUPPORT
FOR VALVE BOX TO KEEP
LOADS OFF GAS MAIN
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CAST IRON LID
CONC PAD
FINISHED GRADE
CAST IRON VALVE BOX,
UPPER SECTION
EXTENSION ROD REQD % 2"
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OVER 3'-0" BELOW GRADE
VALVE SIZE & ENDS AS
SPECIFIED OR IND/CA TED
ON DRAWINGS
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LOOP UP INTO VALVE BOX
LEA VE SLACK IN WIRE AT TOP
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SELECTED BACKFILL
MATERIAL ABOVE
THE PIPE ZONE
COMPACT TO 95%
ASTM D698
12" MIN, OR
AS SPECIFIED
PIPE OUTSIDE
DIAMETER
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VARIES, 3'-0" MIN
PIPE MARKER TAPE
PIPE DETECTOR
WIRE
PIPE ZONE
TYPICAL TRENCH
BURIED GAS VAL VE ANO BOX SETTING
N.TS.
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NOTES:
1. NEW GAS LINES SHALL BE INSTALLED BY DIRECTIONAL BORE AND/OR TRENCHING, METHOD WILL BE
DETERMINED AT THE PRE-BID CONFERENCE.
2. CONTRACTOR SHALL FIELD VERIFY SIZE OF EXISTING SERVICE LINES PRIOR TO INSTALLING NEW
SERVICE LINES.
3. AT LOCATIONS WHERE NEW GAS MAINS AND SERVICE LINES CROSS EXISTING UTILITY LINES SUCH AS WATER MAINS, STORM DRAINS, ELECTRICAL LIONES, SANITARY SEWERS, STEAM LINES, ETC., A
MINIMUM VERTICAL CLEARANCE SEPERATION OF 12 INCHES SHALL BE MAINTAINED.
4. THE UNDERGROUND UTILITIES SHOWN HAVE BEEN LOCATED FROM FIELD SURVEY INFORMATION AND EXISTING DRAWINGS. THE ENGINEER MAKES NO GUARANTEE THAT THE UNDERGROUND UTILITIES SHOWN COMPRISE ALL SUCH UTILITIES IN THE AREA, EITHER IN SERVICE OR ABANDONED. THE ENGINEER FURTHER DOES NOT WARRANT THAT THE UTILITIES SHOWN ARE IN THE EXACT LOCATION INDICATED AL
THOUGH HE DOES CERTIFY THAT THEY ARE LOCATED AS ACCURATELY AS POSSIBLE FROM
INFORMATION AVAILABLE. THE ENGINEER HAS NOT PHYSICALLY LOCATED ALL OF THE UNDERGROUND
UTILITIES.
5. CONTRACTOR IS RESPONSIBLE FOR INSTALLING AND MAINTAINING ADEQUATE
EROSION/SEDIMENTATION CONTROL DURING ALL PHASES OF CONSTRUCTION.
6. CONTRACTOR IS RESPONSIBLE FOR KEEPING MUD AND DEBRIS OFF STREETS AND ROADWAYS. CLEAN-
UP IS REQUIRED DAILY.
7. ANY EXISTING AREAS DISTURBED BY WORK UNDER THIS CONTRACT, WHICH ARE TO REMAIN, SHALL BE
RESTORED TO A CONDITION EQUAL TOO OR BETTER THAN ORIGINAL CONDITION.
8. ALL GAS OUTAGES WILL BE COORDINATED WITH BASE CE AT LEAST 14 DAYS IN ADVANCE.
9. ALL BASE GAS OUTAGES WILL REQUIRE A COORDINATION MEETING WITH CE TO INCLUDE ALL AFFECTED
PARTIES .
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SILT FENCE DETAIL
NTS
SIDE VIEW
SINGLE ROW OF BALES OF STRAW
TO BE PLACED PRIOR TO THE
START OF ROUGH GRADING
PLAN VIEW
FRONT VIEW
2 REBARS, STEEL
PICKETS, OR 2"x2"
STAKES 1-6" TO
2' IN THE GROUND
BALE TIES SECURELY BOUND BALES
REQUIRED FOR DURABILITY
ANCHORING BALES
TEMPORARY STRAW BALE
SEDIMENT BARRIER
NTS
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Sheet Reference Number:
D-1 s
| T1 |
| C1 |
| C2 |
| C3 |
| C4 |
| D1 |
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