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Bidjugde
JOB
Pump Stations 3 4 Surge Tanks Replacement
BID DATE
08/3/17 - 1:30
AGENCY
Padre Dam Municipal WD
ESTIMATE
$950,000
SCOPE
1. Demolition, removal and disposal of two existing potable water, horizontal, steel, surge arrestor tanks with associated attached fittings, valves, and related appurtenances. 2. Site improvements including demolition of existing PS-4 suction surge tank foundations, demolition of existing concrete slab on grade, saw cut and demolition of existing bituminous pavement, backfill, compaction, fine grading, pavement repair, and modifications to existing chain link fencing. 3. Installation of new reinforced concrete structural foundation for support of the new PS-4 suction tank and two removable jib cranes. Installation of unreinforced concrete slabs on grade in the PS-4 surge tank yard. 4. Installation of one (1) new 150 psi ASME rated carbon steel surge tank, 7 ft nominal diameter by 21 ft long straight shell length and one (1) new 400 psi ASME rated carbon steel surge tank, 7 ft nominal diameter by 21 ft long straight shell length with nozzles and appurtenances. 5. Installation of new above and below ground carbon steel piping and fittings. Bypass piping and valve modifications on discharge pipe at PS-4. 6. Pre- and post-construction videography and photography of work sites, and final site restoration and clean-up. Alternate Bid (PS-3 Surge Tanks Replacement) 1. Demolition, removal and disposal of two existing potable water, horizontal, steel, surge arrestor tanks with associated attached fittings, valves, and related appurtenances. 2. Protection of (with minor modifications to) the existing structural support foundation which will be reused for the new surge tanks at PS-3. 3. Site improvements including demolition of existing PS-3 suction and discharge surge tank support grouting, saw cut and demolition of existing bituminous pavement, backfill, compaction, fine grading, pavement repair, and modifications to existing chain link fencing. 4. Installation of one (1) new 150 psi ASME rated carbon steel surge tank, 8 ft nominal diameter by 6 ft long straight shell length and one (1) new 250 psi ASME rated carbon steel surge tank, 8 ft nominal diameter by 24 ft long straight shell length with nozzles and appurtenances. 5. Installation of new above and below ground carbon steel piping and fittings. Bypass piping and valve modifications on discharge pipe at PS-3. 6. Pre- and post-construction videography and photography of work sites and final site restoration and clean-up.
PREBID
7/20/2017 10:30

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