REPAIRS TO EXTERNAL WATER SUPPLY, PIPELINE, PUMP SET AND CLEANING OF BOREWELL, WELL AT 2N DET UNDER AGE (I) NAVY CHENNAI

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft / loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm obtained from excavation complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified and as directed.

Taking up or down 25mm bore steel water tubing,medium grade, galvanized including all fittings and connections for taking into credit or refixing after cleaning , complete all as specified and as directed

All as per item no 4 .0 here in before but of size 50mm dia

All as per item no 4.0 here in before but of size 80mm dia

Supply &fix in repair of 25 mm bore Medium grade GI tubing with all fitting and taking up or down existing tubing with all connections for taking into credit, complete to walls and ceilings or laid in trenches complete all as specified and as directed by the Engineer-in-Charge.Make: Tata/ Jindal/Zenith/Swastik/Prakash

All as per item no 7.0 here in before but of size 50mm dia

All as per item no 7.0 here in before but of size 80mm dia

Supply &fix in repair for 25 mm 3-layer PP-RPolypropylenerandom copolymer)concealed pipesSDR 7.4 (PN16) UVstabilized andantimicrobial fusionwelded havingthermal stability forhot & cold watersupply includingall PP-R plain &brass threadedpolypropylenerandom fittingsfixed complete towalls, ceilings or infloors etc.

Supply &fix in repair for 63 mm 3-layer PP-RPolypropylenerandom copolymer)concealed pipesSDR 7.4 (PN16) UVstabilized andantimicrobial fusionwelded havingthermal stability forhot & cold watersupply includingall PP-R plain &brass threadedpolypropylenerandom fittingslaid in trenches.

S&F in repair gun metal gate valve, painted finish, with forged brass spindle and iron wheel head, screwed both ends internally IS-778 marked, Class-2, for iron pipe of size 25mm bore complete all as specified and directed by Engineer in Charge. Make: Leader/Bir/Zoloto/Kirloskar

S&F in repair gun metal gate valve, painted finish, with forged brass spindle and iron wheel head, screwed both ends internally IS-778 marked, Class-2, for iron pipe of size 50mm bore complete all as specified and directed by Engineer in Charge.Make: Leader/Bir/Zoloto/Kirloskar

S&F in repair polythene float valve of size 25mm bore complete all as specified and directed by Engineer in Charge.

S&F in repair polythene float valve of size 50mm bore complete all as specified and directed by Engineer in Charge.

Taking out the old unservicable sluice valve and supply and fix Sluice Valve Class PN 1.6 100 mm dia conforming to IS 780 with flanged and drilled ends and of any pattern including necessary jointing and jointing materials complete (with rubber gasket, bolts and nuts etc., ) all as specified an as directed. Make :Kirloskar / Upadhaya /Leader/L&T/Bir

Screwing existing steel tubing bore 40 or 50 mm for alterations or additions (or lengthening screw on pipe to form connector)complete all as specified and directed by Engineer in Charge.

Material and labour for Rubber gasket joint for 100 mm dia DI pipe including other accesories, complete all as specified and as directed.

S&F in repair foot valve heavy duty with gun metal working parts of 50 mm dia including removal from suction pipe of the pump set, foot valve complete all as specified and directed by Engineer in Charge.Make :Kirloskar / Upadhaya /Leader/Sant/AUDCO

Flushing the bore well of size 150mm dia, 60 metre deep by means of Air compressor of capacity not less than 650 CFM at 150 PSI pressure for not less than four hours till the clear vwater comes out.

Repairs to submersible pumpset 3 HP capacity 3 Ph, 440 Volts including Lifting of pumpset from the borewell 60 mtrs deep , dismentling ,taking out old unserviceable spares and and replacement of spares and lowering into borewell after repair complete all as specified and directed by Engineer in Charge (Note: Rewinding and supply of Spares will be paid under relevant items here in after)

Rewinding of motor startor coil complete using super enameled copper wire of same gauge for coil against Item No. 21

Supply only Bush GM against Item No. 21

Supply only Thrust bearing against Item No21

Supply only SS Coupling male and female against Item No. 21

Supply only Submersible cable 3 core, copper stranded 2.5 Sqmm flat type against Item No. 21

Repairs to electric driven pump set 10 HP capacity including removing from the foundation dismantling ,taking out old unserviceable spares and refixing the same after repair and replacement of spares on the existing position for complete all as specified and directed by Engineer in Charge(Note: Rewinding and supply of Spares will be paid under relevant items here in after)Make : Kirloskar/ Ventura

Rewinding of motor startor coil complete as per IS-396 of 1953 using super enamelled copper wire of same gauge for coil against item No. 27

Supply and fix Ball bearing (drive and non dirve end) against item No. 27

Supply only Cooling fan blade PVC against item No. 27

Supply only Terminal box with terminal connector against item No. 27

Supply only Gunmetal bush against item No. 27

Supply only Gland cup with bolts and nuts against item No. 27

Supply only GI flange drilled of suitable size with nuts , and washers including rubber gasket against item No. 27

Supply only Shaft mild steel against Item No. 27

Lifting of pumpset from bore well 76 metres deep and lowering into borewell and refixing same after repair complete all as specified and directed.

Supply and replacement of DOL Starter 3 phase, 440 Volts with relay range up to 10 HP, including taking down old unservicable one, complete all as specified and directed. Make : ABB/L&T/Siemens/Crompton Greaves/GE

Supply and replacement of star delta starter, open execution type with single phase protection and relay range from 13 – 32 Amps, 3 Phase, 440 Volts including taking down old unservicable one, complete all as specified and directed. Make :ABB/L&T/Siemens/Crompton Greaves/GE

Supply and fix Ammeter size 96 mm square type, range 0 to 60 Amps and dismantling the existing unserviceable ammeter from the panel board complete all as specified and directed. Make:IMP/Automatic Electric/L & T/MECO

Supply and fix voltmeter size 96 mm square type range 0 to 500 volts and dismantling the existing unserviceable voltmeter from the panel board complete all as specified and directed. Make: IMP/Automatic Electric/L & T/MECO

M &L for Cleaning of RCC Under ground sump of capacity 100000 ltrs using following steps/stages including arrangement of necessary T & P, labour and chemicals all as specified and directed by Engr-In-Charge. (a) Mechanised dewatering (b) sludge removal (c) High pressure cleaning (d) vaccume cleaning (e) Antibacterial spray (f) UV treatment. Note : Following guidelines will be followed while executing works under items (a) The cleaning will be done as per mechanised six stage process of RCC over head tank cleaning and results should be verified by the competent authorities. (b) Water required for the cleaning will be provided by the contractor at his own arrangements (c) The notice for the interruption of water supply will be intimated to the department in advance and efforts will be made by contractor to complete related work within 24 hrs to avoid prolonged breakdown of water supply in effected area. (d) Material and labour for removal of semi-solid/solid sludge extracted during cleaning and their disposal to suitable site are deemed to be included in quoted rate and will not be paid separately.

M&L for dismantalling of unserviceable water level indicator from Over head tank / UG Sump & Supply and fix new water level indicator (Mechanical Type) on OH Tank / UG Sump. in position duly connected from plastic coated steel wire rope 8 mm dia passing over MS pulley 50 mm dia & hanging over calibrated scale on MS Sheet 3.15 mm thick including Painting of scale for letters with white colour over two coat of synthetic black paint and one primer coat on MS board with & including bracing, supports, clamps grouted on wall of tank at desiredc height and back plate etc fabricated from structural steel section with bolts, nuts, washers ,welding,bending cold or hot, drilling holes for bolts,in any shape or size as indicated or directed and inclusive of one primmer coat, one under and one finishing coat of red oxide.

M &L for Cleaning of RCC over head tank of capacity 100000 ltrs using following steps/stages including arrangement of necessary T & P, labour and chemicals all as specified and directed by Engr-In-Charge. (a) Mechanised dewatering (b) sludge removal (c) High pressure cleaning (d) vaccume cleaning (e) Antibacterial spray (f) UV treatment. Note : Following guidelines will be followed while executing works under items (a) The cleaning will be done as per mechanised six stage process of RCC over head tank cleaning and results should be verified by the competent authorities. (b) Water required for the cleaning will be provided by the contractor at his own arrangements (c) The notice for the interruption of water supply will be intimated to the department in advance and efforts will be made by contractor to complete related work within 24 hrs to avoid prolonged breakdown of water supply in effected area. (d) Material and labour for removal of semi-solid/solid sludge extracted during cleaning and their disposal to suitable site are deemed to be included in quoted rate and will not be paid separately.

S&F in repair CI Non Returning valve 80 mm dia conforming to IS 14845 PN 1.0 with flanged and drilled ends and of any pattern including necessary jointing and jointing materials complete (with rubber gasket, boltsand nuts etc ) complete all as specified and directed by Engineer in Charge. Make: Kirloskar / Upadhaya /ACME

Material and labour for preparation of old painted surfaces of LT panels and spray painting with two coats of synthetic enamel paint complete all as specified and directed.

Cleaning and removing of sludge/mud from the well , 6 mtr dia and 6 mtr depth including making necessary arrangement as required and removing the mud from the site to the place and put one coat of bacteria removal chemicals over a one coat of white wash as directed by the Engr-in-Charge.

S&F IN Repair PP-R Gate valves (brass insert) as per requirement of the site of size 25mm

Material and labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanized iron strip 32 x 6 mm as earthing lead connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 40 mm dia GI pipe light grade for protection of GI strip upto 7.5 meter long and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type C1 chamber, GI funnel, wire gauge, 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance not exceeding 50 metre, provision of charcoal and salt, lifting handle, GI funnel, wiremesh, lugs etc.. as shown in electrical plate No 3 of SSR Part-I (2009) complete all as specified and directed.

S&F in repair PP-R Gate valves (brass insert) as per requirement of the site of size 63mm

EVEREST ENGINEERING WORKS (BID ID -3405324)