P1043 Amend 0004_Narrative.pdf
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- Solicitation number
- N4008521R0052
About this file
This amendment modifies a solicitation for the design and construction of an eight million gallon per day water treatment plant utilizing membrane filtration technology at Marine Corps Base Camp Lejeune in North Carolina. The amendment revises contract drawings, reference drawings, and specifications related to aggregate base course material, subgrade compaction, and piping materials for raw water service. The Navy's Naval Facilities Engineering Command issued the solicitation seeking to provide an environmentally compliant domestic and industrial potable water supply and fire protection for Camp Lejeune.
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Text version
N4008521R0052
SECTION SF 30 BLOCK 14 CONTINUATION PAGE
SUMMARY OF CHANGES
The following have been added by full text:
AMENDMENT 0004
CONTRACT DRAWINGS
NAVFAC Drawing No. 12771853 (DP111) is revised as of June 29, 2021. This revised drawing accompanies this Amendment.
Existing Hadnot Point WTP Reference Drawings (PDF Volume 36, 1 through 7) for Building 20, S763, S44, and 209 are issued as of June 29, 2021. These reference drawings accompany this Amendment.
NAVFAC Drawing No. 12771826 (C-506)
To the Sheet, ADD the following General Notes:
“GENERAL NOTES
1. Aggregate base course material for pavements shall be NCDOT No. ABC.
2. NCDOT No. ABC shall be in accordance with Sections 1005 and 1010, North Carolina Department of Transportation (NCDOT) Standard Specifications for Roads and Structures (RS) (2012).
3. Begin spreading base material at the point nearest the source of supply, backdumping base material and spreading in layers of uniform thickness with track-mounted equipment. Permit traffic and hauling over only the completed base. Do not permit repeated wheel loads over the same area.
Provide bridge lifts of 8 inch minimum aggregate base at locations of excessive repeated hauling (access drives, etc.) throughout hauling operations. Any rutting shall be filled with base course material (do not grade out the ruts). After base course placement, continue machining and rolling until surface is smooth, compacted, well bonded, and true to the designed cross section. Maintain the base smooth and true to grade and cross section until pavement placement.
4. Compact aggregate base course material and gravel surface material to 100 percent ASTM D1557 maximum dry density.”
REVISE PAVEMENT SUBGRADE NOTE to read:
1. Compact subgrade in accordance with Spec Section 31 23 00.00 20.
CONTRACT SPECIFICATIONS
SECTION 31 23 00.00 20 EXCAVATION AND FILL
3.14 DISPOSITION OF SURPLUS MATERIAL
REPLACE Para. 3.14 in its entirety with the following:
N4008521R0052
“3.14 DISPOSITION OF SURPLUS MATERIAL
Dispose of surplus materials in accordance with Specification Section 01 57 19.01 20 SUPPLEMENTAL TEMPORARY ENVIRONMENTAL CONTROLS, Para. 1.1.1.1.2.”
SECTION 40 05 13 PIPELINES, LIQUID PROCESS PIPING
Supplement 1, Pipe Schedule
On Page 4, REPLACE the row for Service/Flow Stream “Raw Water” in its entirety with the following:
- End of Amendment -
Maximum Operating
Test
316 SST EXP/ENC Schedule 10S with Class 150 flanges
HDPE BUR PE 4710 SDR 13.5, DIPS
CLDI BUR*
*CLDI from tie-in to existing 24" DI raw water main at Holcomb Blvd to branch isolation valve. Refer to Drawing DP111.
120 H --Raw Water RW All 80
Material Installation
Pipe Schedule
Color Code Remarks
Pressure (psig)
Service/Flow Stream Legend Size
(inches)
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