SPECIAL REPAIRS OF SIX BORE WELL IN TECHNICAL AREA AT NAD AND SPECIAL REPAIRS TO CI GI PIPE OF AMMUNITION JETTY AT NAVAL STATION KARANJA

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth for lying of pipes etc and getting out in Hard dense soil , including trimming bottom surface to require level and shape all as specified and directed by Engg-in-charge for laying of pipes. NOTE:- Taking up pipe with fitting,special valves etc from trench shall be measured and paid separately

Returning , filling in including spreading, levelling , watering & well ramming in layers n.exc 25cm including making good disturbed surface to original levels complete all as specified.

Removal of exacavation material to a distance n exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified.

Taking up cast iron water mains 80 mm dia from trenchs/Roads/Culverts/ PCC/Nala/duct/Walls etc (including all fittings), with flanged ends including disconnecting pipes and fittings/ flanged joints complete as specified.

Taking down existing sluice valve cast iron body, heavy duty of sizes 80mm bore including necessary excavation all as specified and directed.

Taking up worn out/ rusted existing GI steel tubing incl all fitings fromtrenchs/Roads/Culverts/ PCC/Nala/duct/Walls including removal from site all as directed of the following sizes: 20 mm bore

25 mm bore

40 mm bore

50 mm bore

Taking out gun metal gate valve with iron wheel head, from GI pipes complete all as specified and directed of following Sizes:-

(a) All as per item ser no- 7 here-in-before but for size 20 mm

(b) All as per item ser no- 7 here-in-before but for size 25 mm

(c) All as per item ser no- 7 here-in-before but for size 40 mm

(d) All as per item ser no- 7 here-in-before but for size 50 mm

M & L for Cutting in position 100 mm bore cast iron water mains for insertion of new tee of size 100mm x 100mm x 80 mm for branch connection etc with and including necessary excavation and earthwork as required at site complete all as specified and directed.

Supply and Laying in trenchs/Roads/Culverts/ PCC/Nala/duct/Walls galvanised steel water tubing 80 mm bore, medium grade of suitable lenght with and including all medium grade fittings, tee, bends,union, socket ect. including testing complete all as specified.

Supply and Laying in trenchs/Roads/Culverts/ PCC/Nala/duct/Walls galvanised steel water tubing 50 mm bore, medium grade of suitable lenght with and including all medium grade fittings, tee, bends,union, socket ect. including testing complete all as specified.

Supply and Laying in trenchs/Roads/Culverts/ PCC/Nala/duct/Walls galvanised steel water tubing 40 mm bore, medium grade of suitable lenght with and including all medium grade fittings, tee, bends,union, socket ect. including testing complete all as specified.

Supply and Laying in trenchs/Roads/Culverts/ PCC/Nala/duct/Walls galvanised steel water tubing 25 mm bore, medium grade of suitable lenght with and including all medium grade fittings, tee, bends,union, socket ect. including testing complete all as specified.

Supply and Laying in trenchs/Roads/Culverts/ PCC/Nala/duct/Walls galvanised steel water tubing 20 mm bore, medium grade of suitable lenght with and including all medium grade fittings, tee, bends,union, socket ect. including testing complete all as specified.

Supply and fixing gun metal gate valve with iron wheel head, screwed both ends for GI Pipes of following sizes:-

(a) All as per item ser no- 14 here-in-before but for bore of pipe 20 mm

(b) All as per item ser no- 14 here-in-before but for bore of pipe 25 mm

(c) All as per item ser no- 14 here-in-before but for bore of pipe 40 mm

(d) All as per item ser no- 14 here-in-before but for bore of pipe 50 mm

Supply and fix in position sluice valve (ISI marked) flanged and drill both ends cast iron body, heavy duty brass spindle type PN 1.6 with and including jointing rubber gasket,nut,bolts of size 80mm bore complete all as specified and directed.

M & L for construction of brick masonry valve pit of size900 X 900 X 900 mm (Internal dimensions) with brick work of sub class ‘B’ old size bricks built in cement mortar 1:4 and 10 mm thick rendering on internal and exposed external surfaces with and including 40 mm X 40 mm X 6 mm mild steel angle iron frame, 3.00 mm thick mild steel sheet cover with appropriate size lifting handles and locking arrangement and 01 No. 50 mm size 4 levers lock with keys in duplicate make – Navtal or Link including painting steel and iron surfaces with two coats of black bituminous paint over a coat of red oxide primer and demolition of existing old valve pit complete all as specified,

M & L for construction of brick masonry valve pit of size 600 X 600 X 600 mm (Internal dimensions) with brick work of sub class ‘B’ old size bricks built in cement mortar 1:4 and 10 mm thick rendering on internal and exposed external surfaces with and including 40 mm X 40 mm X 6 mm mild steel angle iron frame, 3.00 mm thick mild steel sheet cover with appropriate size lifting handles and locking arrangement and 01 No. 50 mm size 4 levers lock with keys in duplicate make – Navtal or Link including painting steel and iron surfaces with two coats of black bituminous paint over a coat of red oxide primer and demolition of existing old valve pit complete all as specified,

Taking up defective monoblock pump sets capacity 2 HP complete with motor form existing Pipe lines for replacing of defective pump parts such as pump coupling, bush and impellors with new one including overhauling of pump at authorized workshop as per manufacturer instructions and fixing back the same at work place and connecting with existing GI pipe lines, testing, commissioning for satisfactory performance as per manufacturers instructions all as required, costs of required for machining including load testing for stipulated period to entire satisfaction of Engr in charge are deemed to be included in quoted rate.

M&L for PCC 1:3:6 type-C2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete incl necessary form work werever required and incl demolition of Cement Concrete (un-reinforced) of any description and in any position not otherwise specifically provided for, all as specified and directed at site.

M&L for PCC 1:2:4 type-C2 (using 20mm graded stone aggregate) as in foundation, filling and mass concrete incl necessary form work werever required and incl demolition of Cement Concrete (un-reinforced) of any description and in any position not otherwise specifically provided for, all as specified and directed at site.

Supply and fixing in repairs of MS forged clamps for GI pipe line and submersible pump set of size 50mm X 10 mm all as specified and directed.

Supply and fixing in repairs of well cap 150 mm dia internal threaded welded and including handle complete all as specified

Supply and fixing pressure guage 50 mm dia of make AE/Guru/MECO all as specified and directed.

Flushing out the muddy/salt water and carrying out development and field test for 24 hrs including removal of the mud etc outside the MD land complete all as specified by the Engg-in-Charge

Testing of water sample for bacteriologically and chemically to know the portability of water from Govt recongnised laboratory all as specified and directed.

Taking up defective submersible pump sets capacity up to 5 HP complete with motor and 50mm/40mm dia GI pipe of about 20 Nos of 3 metre length each, for replacing of defective pump parts such as pump coupling, bush and bronze impellors with new one including overhauling of pump at authorized workshop of manufacturer and re-istallations the same in the tube well with 50mm/40mm dia GI pipe, testing, commissioning for satisfactory performance as per manufacturers instructions complete including testing of water pump and operated in presence of Engr -in- Charge and test report to be kept on record and deemed to be included in quoted rate.

Supplying and lowering GI water tubing medium grade 50 mm dia including all fittings here -in- before but fixed on walls/ borewell with suitable clamps complete all as specified and directed.

Supplying and lowering GI water tubing medium grade 40 mm dia including all fittings here -in- before but fixed on walls/ borewell with suitable clamps complete all as specified and directed.

Supply and fixing in repairs for Gun metal gate valve screwed to GI tubing of size 50mm dia, fixed in repairs complete all as specified and directed.

Supply and fixing in repairs for Gun metal gate valve screwed to GI tubing of size 40mm dia, fixed in repairs complete all as specified and directed.

Supply and fixing 20 Amps MCCB TPN-415 V, 50 Hz AC, Icu= 100%, Thermal adjustiable 0.8 to 1 In, Magnetic Adjustable - 5 to 10 In Breaking Capacity 16 KA of Make L&T/Havells/ Legrand. ABB/ Schneider or equivalent all as specified and directed by engr -in-charge.

Supply & Laying, jointing, testing and commissioning 1100 volts grade heavy duty cable with PVCinsulated aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed 4 x 16 Sqmm nominal cross section in service connections including with suitable size of lugs & cable glands etc. each cable termination is to be made with suitable size of cable glands and aluminium thimbles for incoming and out going cables complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, Class LV Type 1, flat size 250x150x40mm etc complete all as specified as per IS 5820-1970.

M&L Sand cushioning for under ground cable provided with a layer 8 cm deep before laying the cable and 15 cm deep after laying and stretching the cable. Note:- Punned thickness of 18cm shall be considered for measurement purpose.

Supply, install, testing & commissioning LT panel board of size 0.7m x 0.4m x 0.3m outdoor type made out of CRCA sheet 3.15 mm thick, factory made, dust and vermin proof (protection class IP 54), powder coated, front operable double stud hinged door shutter type window on both side duly secured with wire mess and having earthling stud at both sides complete all as specified. The panel shall be suitable for 415 volts, 50Hz 3 phase 4 wire system and shall be complete with 200 amps capacity aluminium bus bar internal wiring with suitable size copper conductor cable including connecting all incoming and outgoing cables by using proper size thimbles nuts,bolts& washers and complete and having legs 90 cms made out of 50x50x6mm angle iron embed 30 cm in PCC 1:3:6 and 60 cm above ground level all as specified and comprising of the following:-

M&L earthing complete with galvanised steel earth plate eletrode 600x600x6mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5m below normal ground level, connected to the Galvanise Iron earth lead 32x6mm (GI Strip) size, by means of bolts, nuts, check buts and washers of galvanised iron and 32x6 mm earth lead protected by provision of GI light grade pipe 40 mm bore including provision of aggregates with 40 mm thick cover of RCC (1:2:4) , re-inforced with XPM (weight not less than 4 kg per sqmm) and frame of angle iron 40x40x3 mm and with 6 mm dia MS bar handle made to shape, GI medium grade 20mm bore pipe of suitable lenght for watering perforated at bottom placed on top edged of earth plate, common salt and charcoal filling, funnel, wire mesh and earth work in hard/dense soil, returning filling in distance not exe 50 mtr and removal of surplas soil to plate No 3 of SSR 2009 Part-I and connecting to feeder pillers and DG set all as specified including testing on completion complete all as specified and directed.

Supply and fixing water level guard (Sensor) suitable to switch off pump when water level inside bore well below desired complete all as specified and as directed Make : Minilic or equivalent.

Supply and fixing 1.5 sqm copper cable for water level guard from bore well water level to panel complete connecting and testing of make finolex polycab (ISI) Marked all as specified and as directed

Supply and fixing submersible three core flate 2.5 sqm copper cable for submersible pump complete and testing of make finolex/polycab (ISI Marked) all as specified and as directed

Cement concrete foundation filling and mass concrete 1:3:6 type C2 using 40mm graded aggregate all as specified and as directed

Labour and tools for removing grass, shrubs, trimming branches of trees the existing borewell surrounding area alongwith pipe line both size and shifting of debris to a distance of 50 mtr away from site all as specified & directed by Engineer -in-Charge.

Shree Ayyappa Engineering

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