Attachment 01 - PNQS 25-8705 Gas Line Repair Drawings V3.pdf

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Attached to
Maxwell AFB - PNQS 25-8705 Repair Natural Gas Distribution System Amendment 01
Solicitation number
FA330025Q0518
Issued by

About this file

These are engineering design drawings for a gas line repair project at Maxwell Air Force Base in Montgomery, Alabama. The project (PNQS 25-8705) involves multiple construction activities including cutting and capping existing gas lines, installing new gas lines of various sizes (2-inch, 1.25-inch, 3-inch, and 8-inch), running lines to Housing Office and Housing Maintenance, and adding poly line/tie-in with transition fittings. The drawings provide detailed site plans, construction plans, and technical specifications for gas line installation, including trench details, valve box settings, and erosion control measures. Key notes emphasize the importance of coordinating gas outages with base Civil Engineering at least 14 days in advance, maintaining vertical clearance from other utilities, and ensuring proper backfill and compaction. The project is a 100% Small Business set-aside with an estimated construction value between $250,000 and $500,000, to be executed by the Department of the Air Force Air Education and Training Command.

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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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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

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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

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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

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VARIES, 3'-0" MIN

PIPE MARKER TAPE

PIPE DETECTOR

WIRE

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TYPICAL TRENCH

BURIED GAS VAL VE ANO BOX SETTING

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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

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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

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Sheet Reference Number:

D-1 s

T1
C1
C2
C3
C4
D1

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