Islands (where the work/delivery is to be performed)
Oahu
Category
Construction
Release Date
04/17/2020
Amendment Date
05/01/2020
Amendment Reason
Add Addendum 9 to clarify existing SCADA information.
Offer Due Date & Time
05/06/2020 02:00 PM
Description
The work shall generally consist of the installation of: new lined earthen reservoir which incorporates an existing reservoir and its ditch infrastructure; new water supply well to be used a backup to the Waiahole Ditch as a source for irrigation water; new buried irrigation waterlines to interconnect Waiahole Ditch with the new reservoir and the new well; new connections to Waiahole Ditch to divert water to the new reservoir and receive water from the new reservoir and well; new pipe system within Waiahole Ditch at a hairpin turn which will replace an existing pipe system (Additive Item); and incidental and related improvements.
Direct all questions regarding this Solicitation, and any questions or Issues relating to the accessibility
of this Solicitation (Including the appendices and exhibits to this Document, and any other document related
to this Solicitation), to: Nakamoto, Ken T.
Excavating, earthmoving, or land clearing contractors
Quantity
1
Unit of Measure
JOB
Title
General
Description
See PROPOSAL. General. Items No. 1-5. Mobilization/Demobilization; Temporary Erosion and Sediment Control; Project Sign. INCLUDE: (1) $!,000,000 ALLOWANCE FOR UNANTICIPATED WORK DUE TO REVISIONS REQUIRED BY AGENCIES DURING THE PLAN APPROVAL AND PERMITTING PROCESS; and (2) $150,000 ARCHAEOLOGICAL MONITORING ALLOWANCE.
Excavating, earthmoving, or land clearing contractors
Quantity
1
Unit of Measure
JOB
Title
Civil Work Reservoir
Description
Proposal Items 6 - 15. Clearing and grubbing; excavation; embankment; high density polyethylene liner including gravel cushion layer and geotextile cushion; stilling well including valve box; access road; chain link fence; swing chain link gate; civil work for reservoir, in place, complete, including all civil wok shown and specified.
Proposal Items 16 - 29. Irrigation Line A; Irrigation Line B, Irrigation Line B-1; Irrigation Line C; Irrigation Line C-1; gate valves, manholes, reaction blocks, headwall and sluice gate, Civil work for irrigation waterlines, in place, complete, including all civil work shown and specified.
Proposal Items 30 - 32. Connection 1; Connection 2; Civil work for connections to Waiahole Ditch, in place, complete, including all civil work shown and specified.
Water well pump and well piping system installation
Quantity
1
Unit of Measure
JOB
Title
Well Site
Description
Proposal Items 33 - 42. Clearing and grubbing; excavation, embankment, access road; pump pad, CMU wall; concrete work for portable generator pad; chain link fence; double swing chain link gate; Civil work for well site, in place, complete, including all civil work shown and specified.
Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields)
Quantity
1
Unit of Measure
JOB
Title
Well drilling
Description
Proposal Items 43 - 54. Include Mobilization not to exceed $30,000 and Demobilization not to exceed $15,000. Drilling the 12-inch (min) diameter pilot borehole to depth directed by Engineer; video log entire length of pilot borehole; provide equipment and run pump test; ream pilot borehole to 24-inch diameter; furnish and install 16-in (ID) 3/8 inch wall thickness solid casing conforming to ASTM A606; Furnish and install 16-inch 5/16 inch wall thickness louvered casing; provide install cement grout; furnish, install and remove line shaft test pump capable of 1750 GPM; 108 hours development and test pumping; plumbness and alignment tests.
Water well pump and well piping system installation
Quantity
1
Unit of Measure
JOB
Title
Pump Mechanical Work
Description
Proposal Items 55 - 57. Furnish and install one vertical turbine oil lubricated line shaft deepwell pump assembly, electric motor; furnish and install one pump discharge unit; well pump unit operational testing per specification including electrical power for testing.
Proposal Items 58 - 61. Furnish, install and test all equipment and materials for the new HECO electrical service, including transformer pad; provide complete Well Pump Motor Control Center; provide complete SCADA system; remove existing electrical pole and appurtenances from proposed reservoir location.
Additive Alternate 1: Closed Conduit at Hairpin Turn in System
Description
Proposal Items 62 - 64. Remove and dispose of existing 2-20" pipes in hairpin turn of Waiahole Ditch, including existing inlet and outlet boxes. 36" HDPE pipe including pipe supports and CLSM over pipe to top of ditch, in place, complete; inlet and outlet boxes
Direct all questions regarding this Solicitation, and any questions or Issues relating to the accessibility
of this Solicitation (Including the appendices and exhibits to this Document, and any other document related
to this Solicitation), to: Nakamoto, Ken T.