SPECIAL REPAIR REPLACEMENT OF PSS TANK NEAR FSH AT DINJAN MIL STN UNDER GE DINJAN

Amount

M & L for Dismantaling of existing plate from Overhead pressed steel tank of capacity upto 10000 gallons consisting with 52 plate each of size 1.22m x 1.22m x 6mm thick including taking out jointing bolts, nuts, washers, etc from over head pressed steel water tank installed at 12 to 15 m high ( from ground level ) and all dismantal materials deposit to MES store yard for keeping in safe custody comlpete all as specified and as directed. (Note : Cost of temporary staging/working platfrom as required for the above operation is deemed to be included in the unit rate quoted by the bidder.)

Supply and fix factory made SMC panel tank of size 5m x 5m x 2m with jointing materials etc as required to make the joints perfectly leaK proof and testing for water tightness of the tank including modification of existing structure with HDG (HOT-DIP GALVANIZATION) grillage,10 mm thick MS flat plate (20.0 mtr x 1.0 mtr) and Stainless steel railing surrounding the SMC/GRP tank at hieght 12 to 15 mtr ( from ground level ) all modificatin of existing structure items requirements as per site comlpete all as specified and as directed by the Engr-in-Charge. (Note: Quoted rate should included jointing materials and lenght, width and thikness of items required for modification of existing structure etc as per OEM RECCOMADATION .)

M&L for external steel surface of angles,chennel or flat iron of staging SMC OH tank installed at height of 12 to 15 M height ( from grond level ) by complete two coats of sythetic enamel paint over one coat of red oxide primer including painting of structure, sluice valve and connected all pipe lines from tank to borewell as per colour coding as specified and directed by Engr-in-charge. (Note : Cost of Temporary structure/truss for painting is included in the unit rate quoted).

Supply and fix Digital type water level indicator 150mm size digital display cable system including stem insertion for sensing the water level suitable for overhead water reservoir complete etc with suitable fixing arrangement and other accessories as per OEMs manual for and incl necessary PVC Sheathed / PVC Insulated copper cable 0.5 Sqmm 03 Core from sensor to display unit (incl PVC Conduit, flexible conduit, bends etc) with following specfiications etc to be operated with 230Volts single phase AC supply including fixing arrangement in a weather proof enclosure with front view glasses etc model DDS-6 of SECO make or equivalent alongwith a hooter for alert of overflow and drain out mode etc including taking down old unserviceable water level indicator deposit to MES store yard complete all as specified and directed. Size of Upper Unit : Lenght 22" , Width- 8" and Height - 8" , Display Unit - 8 display in one panel , Panel Size - Length 40", Width-44" and Height-6".

Supply, laying, connection and testing, 110mm outer dia 3- layer PP-R Polypropylene random co-polymer pipes SDR 7.4 (PN16) stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and as directed. (Note: Excavation and earth work shall be measured and paid seperately)

Supply, laying, connection and testing, 90mm outer dia 3- layer PP-R Polypropylene random co-polymer pipes SDR 7.4 (PN16) stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and as directed. (Note: Excavation and earth work shall be measured and paid seperately)

Supply, laying, connection and testing, 63mm outer dia 3- layer PP-R Polypropylene random co-polymer pipes SDR 7.4 (PN16) stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and as directed. (Note: Excavation and earth work shall be measured and paid seperately)

S&F 100mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 (raising stem type) with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer & rubber/fiber board gasket including taking up/down old sluice valve complete all as specified and as directed.

S&F 80mm bore, cast iron sluice valve both end flanged, class PN 1.6 conforming to IS -14846 (raising stem type) with iron wheel head and stainless steel spindle including necessary jointing materials like nuts, bolt, washer & rubber/fiber board gasket including taking up/down old sluice valve complete all as specified and as directed.

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5 m in depth for foundation, etc (for taking out and laying pipe etc) not exc 10 Sqm in plan and getting out in soft/loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, as in soft/loose soil complete all as specified and as directed.

Removing excavated material to a distance not exc. 50 m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and as directed.

M&L for Making connection of PP-R distribution branch with PP-R main of size 50mm upto 90mm outer dia by providing and fixing tee including cutting and making fusion joint including taking down old pipes fittings etc. complete all as specified and as directed

M&L for Making connection of PP-R distribution branch with PP-R main of size 110mm outer dia by providing and fixing tee including cutting and making fusion joint etc. including taking down old pipes fitting complete all as specified and asc directed

M/s. Chanda Construction (BID ID -3098987)

M/s United Builders (BID ID -3099185)

ms singh construction (BID ID -3112542)

M/s Singh enterprises (BID ID -3112601)