REPAIR REPLACEMENT OF RUSTED GI CI PIPE LINE, CLEANING OF OVERHEAD TANKS, UG SUMPS AND REPAIR MAINT OF ALL TYPE OF PUMPING SETS CONTROL VALVES AND MISC. WORKS AT DRDE GWALIOR UNDER GE I RnD DELHI

Amount

Excavation in trenches, not exceeding 1.5 m in depth in soft/loose soil for foundation etc or for laying of water tubing and n. exc 10 Sqm on plan and n. exc 1.5 m in width and getting out complete all as specified and directed.

Returning , filling in including spreading , leveling , watering and well ramming in layers n.exc 25 cm complete all as specified and directed.

Removing excavated material to a distance exc 200 m but n.exc 250 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Taking up old GI tubing and connections of 20mm bore from excavated trench /walls /floors etc including cleaning for relay complete all as specified and directed

All as per item No 4 above but 25mm bore pipe

All as per item No 4 above but 40mm bore pipe

All as per item No 4 above but 50mm bore pipe

All as per item No 4 above but 80mm bore pipe

All as per item No 4 above but 100mm bore pipe

Relaying of old GI tubing 20mm bore galvanised medium grade of any length including all new GI fitting such as bend , elbow ,tee in trenches/floor complete all as specified and directed

All as per item No 10 above but 25mm bore pipe

All as per item No 10 above but 40mm bore pipe

All as per item No 10 above but 50mm bore pipe

All as per item No 10 above but 80mm bore pipe

All as per item No 10 above but 100mm bore pipe Note : For Ser Item No 10 to 15:- Serviceable pipe obtained from item No 4 to 9 shall be reused.

Supply and laying GI tubing 20mm bore galvanised medium grade of any length including all GI fitting such as bend, elbow ,tee and union in trenches/floor with required cutting , threading etc complete all as specified and directed

All as per item srl No 16.00 above but 25mm bore pipe

All as per srl item No 16.00 above but 40mm bore pipe

All as per item srl No 16.00 above but 50mm bore pipe

All as per item srl No 16.00 above but 80mm bore pipe

All as per item srl No 16.00 above but 100mm bore pipe

Supply and laying GI tubing 20mm bore galvanised medium grade of any length including all GI fitting such as bend , elbow ,tee and union laid in wall/ceiling with required cutting , threading etc complete all as specified and directed

All as per item srl No 22.00 above but 25mm bore pipe

M&L for CPVC pipes medium grade of size 25 mm dia (outer dia) medium grade complete with necessary fiitings leak proof complete all as specified and directed .

M&L for CPVC pipes medium grade of size 32 mm dia (outer dia) medium grade complete with necessary fiitings leak proof complete all as specified and directed .

Taking out sluice valves 80mm bore transported to work shop for lathe work, rethreading, refacing , regrinding and refixing with repacking stuffing box of sluice valve spindle including taking apart and reassembling complete all as specified and directed

Taking out sluice valves 100mm bore transported to work shop for lathe work, rethreading, refacing , regrinding and refixing with repacking stuffing box of sluice valve spindle including taking apart and re-assembling complete all as specified and directed.

Taking out sluice valves 150mm bore transported to work shop for lathe work, rethreading, refacing , regrinding and refixing with repacking stuffing box of sluice valve spindle including taking apart and reassembling complete all as specified and and directed.

M&L for 20mm bore gun metal globe or gate valve of brass heavy duty ISI marked with iron wheel head , screwed both ends for iron pipe and fixed including taking out old unserviceable gun metal gate valve complete all as specified and directed

All as per item srl No 29.00 above but 25mm bore pipe

All as per item srl No 29.00 above but 40mm bore pipe

All as per item srl No 29.00 above but 50mm bore pipe

S&F in repair 20mm Stop valve, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for union and fixed to GI pipe complete all as specified & directed.

All as per srl item No 33.00 above but of size 25mm.

S&F in replacement of cast iron 80mm bore sluice valve PN 1.6 both ends flanged heavy duty, drilled and installed with brass spindle, gun metal face rings, rubber gasket 3mm thick, MS bolt, nuts and washers, graphite rope complete all as specified and directed.

All as per item srl No 35.00 above but 100mm bore pipe

All as per item srl No 35.00 above but 150mm bore pipe

S&F in replacement of cast iron 80mm bore Non return valve both ends flanged heavy duty, drilled and installed with brass spindle, gun metal face rings, rubber gasket 3mm thick, MS bolt, nuts and washers, graphite rope complete all as specified and directed

All as per item srl No 38.00 above but 100mm bore

Labour only for cutting of CI pipe (2 cut) in position for repairing/ reducing to required length for insertion of new tees, branch pieces etc of size 80mm dia bore complete all as specified and directed .

M&L for lead joint for 150mm bore under ground CI pipe line by adding extra lead (minimum 40%) and new spun yarn up to the extent as specified in SSR part -I and testing including dismantling of led joint, necessary earth work in sludgy soil, dewatering at same place and refilling the soil in layers complete all as specified and directed. Note:- Retrived lead shall be re-used with new lead.

All as per item srl No 41.00 above but 100mm bore pipe

All as per item srl No 41.00 above but 80mm bore pipe

Taking down old unserviceable CI fitting such as bends, tees etc and Supply & Fixing Bends up to 150 mm bore (any type radius and angle tapers any type , straight , bend increasing, decreasing or double socket etc), Tee pieces single branch , Y junction, double branch, cross (all sockets or socket and spigot ), collars, caps and plugs complete all as specified and directed

M & L construction of brick masonry valve pit of size 1.20x1.20x1.30 mtr (internal dimension of chamber ) complete, 10cm thick PCC 1: 4 :8 type D-2 in base , 10 cm thick PCC 1: 2 :4 type B-1 in floor, 23 cm thick brick work using sub class well burnt Sub class B brick in CM 1:4 and frame of angle iron 30x30x4mm embedded in 10mm thick PCC 1:2:4 with 3.15mm thick MS sheet cover with locking arrangement including 6 lever pad locks and coats of synthetic enamel paint over a coat of red oxide primer including excavation in any type of soil, filling removal of surplus soil upto 50m complete all as specified, shown in drawing No TD/AR/21/97 (Sheet No 1/1) and directed.

All as per item srl No 45.00 above but size 0.90x0.90x1.20Mtr depth

Supply and fixing in replacement of Water pressure gauge as per exiting, ISI marked complete all as specified and directed.

Repair to leakage of existing GI pipe line 80mm to 150mm bore, in any positions in trenches, Digging out leakage point by excavation of required length for repairing including replacement with new fittings. Rates including cutting ,threading ,reflling the excavated soil after the inspection, dewatering from the trenches if required and ramming properly. Note- Replacement of pipe and fittings such as elbows ,tees, sockets, unions, bends, reducers will be measured and paid seprately under relivant items of this schedule

All as per item srl No 48.00 above but 15mm to 50mm bore

Supply only Elbow 15 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 20 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 25 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 40 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 50 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 80 mm GI ,ISI marked complete all as specified and directed.

Supply only Elbow 100 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow 150 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow reducer 25 X 15 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow reducer 25 X 20 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow reducer 40 X 15 mm GI, ISI marked complete all as specified and directed.

Supply only Elbow reducer 50 X 25 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 15 mm GI, ISI marked complete all as specified and directed.

Supply onlyTee 20 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 25 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 40 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 50 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 80 mm GI ISI marked complete all as specified and directed.

Supply only Tee 100 mm GI, ISI marked complete all as specified and directed.

Supply only Tee 150 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 20x20x15 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 25x25x15 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 40x40x20 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 50x50x25 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 80x80x50 mm GI, ISI marked complete all as specified and directed.

Supply only Tee Reducer 100x100x80 mm GI, ISI marked complete all as specified and directed.

Supply only Union 15 mm GI, ISI marked complete all as specified and directed.

Supply only Union 20 mm GI, ISI marked complete all as specified and directed.

Supply only Union 25 mm GI, ISI marked complete all as specified and directed.

Supply only Union 40 mm GI, ISI marked complete all as specified and directed.

Supply only Union 50 mm GI, ISI marked complete all as specified and directed.

Supply only Union 80 mm GI, ISI marked complete all as specified and directed.

Supply only Union 100 mm GI, ISI marked complete all as specified and directed.

Supply only Union 150 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 15 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 20 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 25 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 40 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 50 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 80 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 100 mm GI, ISI marked complete all as specified and directed.

Supply only Socket 150 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 15 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 20 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 25 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 40 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 50 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 80 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 100 mm GI, ISI marked complete all as specified and directed.

Supply only Nipple 150 mm GI, ISI marked complete all as specified and directed.

S&F in replacement of cast iron 100 mm bore Butterfly valve, both ends flanged, heavy duty, drilled and installed with brass spindle gun metal face rings, rubber gasket 3mm thick, MS bolt, nuts and washers graphite rope complete all as specified and directed

S&F in replacement of cast iron 80 mm bore Butterfly valve both ends flanged, heavy duty, drilled and with brass spindle gun metal face rings, rubber gasket 3mm thick, MS bolt, nuts and washers graphite rope complete all as specified and directed

S&F in replacement of cast iron 50 mm bore Butterfly valve both ends flanged, heavy duty, drilled and installed with brass spindle gun metal face rings, rubber gasket 3mm thick, MS bolt, nuts and washers graphite rope complete all as specified and directed

S&F in replacement of MS flange heavy duty 80mm dia complete all as specified and as directed

All as per srl item No 103.00 above but for 100mm dia

M&L for providing 100mm thick PCC 1:3:6 type C-1 (using 20mm graded crushed stone aggregate) for repair to road/path etc complete all as specified and directed.

Supply & Fixing in repair bib tap PTMT, 20 mm bore (minimum weight 125 grams), ISI marked complete all as specified and directed

Supply & Fixing in repair float valve PTMT, 20 mm bore, ISI marked complete all as specified and directed

Supply & Fixing in repair float valve PTMT, 25 mm bore, ISI marked complete all as specified and directed

Supply and fixing in repair DI joint of size 80 mm including clamps, nut, bolts and gasket etc complete all as specified and directed.

Supply and fixing in repair DI joint of size 100 mm including clamps, nut, bolts and gasket etc complete all as specified and directed.

M&L for Cleaning internal portion of stone masonry/RCC UG sump of capacity 20000 gallons including removing fine sand/silt deposited inside the over head reservoirs with the help of wire brushes and removing any fungus formation inside the tank, removing the waste as directed and applying caustic soda solution and one coat of lime wash internally including writing work with two coats of synthetic enamel paint for inlet/outlet /Overflow/washout etc. on CI/GI pipes, also marking the direction of flow of water on pipes including painting/writing of letters of size exc 12 cm but n. exc 15cm in height (a) date of cleaning (b) Next due date of cleaning (c) Capacity of tank complete all as specified and directed.

All as per item srl No. 111.00 above but for RCC over head reservoirs of capacity 25000 gallons.

Note for item Ser No 111 & 112 : All precautionery measures such as safety belt, climbing rope etc to be taken/provided by the contractor for safeguard of human life while working on overhead reservoir

Repair to water level indicator of overhead reservoir/semi under ground tank by providing aluminum float valve of suitable size with refunctioning of pulley and replacement nylon rope 4mm thick, painting the existing water gauge with two coats of synthetic enamel paint (black) and calibration the same properly with respect to water level and marking with white tint synthetic enamel paint and painting the indicator pointer with red tint of synthetic enamel paint complete all as specified and directed

Disconnecting the existing non functional submersible pump sets, dismantling from rising mains, removing and lifting out submersible pump sets of 7.5 HP to 20 HP capacity in any position along with existing column pipe 80 mm dia any type and submersible cable of any size from bore well 150/200mm dia (approx 70 mtr depth of pupmpset from GL) complete all as specified and directed.

Lowering down the serviceable submersible pump sets of any description and in any position and of any capacity in bore well along with the column pipe 80mm dia up to 70 mtr deep and submersible cable of any size complete all as directed and making necessary electric connection, connect with rising main and testing complete after lowering complete all as specified and directed.

Dismantling and strip opening of submersible pump and motor 15 HP to 20 HP, 3 phase, 415 volts, 50hz AC Supply of any description and in any position for servicing/overhauling, cleaning, greasing, removing and replacement of defective/unserviceable parts with new parts, reassembling the pump and motor with proper alignment of both pump and motor, fixing in position connecting to existing system and testing at site of full load to meet the desired requirements complete all as specified and directed.

All as per ser item No. 116 above but 10.5HP to 12.5 HP, 3 phase, 415 volts , 50 Hz AC supply. Note for item No. 116 to 117: (i) The replacement of defective non functional parts shall be measured and paid for separately under respective item of BOQ. (ii) Burnt out winding of motor shall be replaced and measured & paid separately under appropriate item of BOQ. (iii) The rate of above item shall be deemed to include transportation to and fro of pump, motor to workshop for necessary repair, alignment and testing of pump and motor at workshop. (iv) lifting and lowering of the submersible pump & motor,shall be measured & paid under relevant BOQ item .

Supply only Gun metal bush upper and lower.

Supply only Brass thrust plate

Supply only C I thrust bearing

Supply only CI thrust casing

Supply only Water seal

Supply only CI lower housing of shaft

Supply only CI upper housing of shaft

Supply only Rotor sleeve

Supply only coupling set with key of stainless steel

Supply only discharge outlet CI

Supply only stage casing CI

Supply only gun metal sand guard

Supply only gun metal neck ring

Supply only gun metal impeller

Supply only gun metal body bush

Supply only CI suction housing

Supply only SS distance bush

Supply only key for coupling.

Supply only cable seal

Supply only upper flange with studs & nuts

Supply only lower flange with studs & nuts

Supply only Connection piece with nuts and bolts

Supply only Gun metal seal bush.

S&F HS shaft with key for the submersible pumps of any description and capacity having 7 to 10 stages, 10.5 HP to 20 HP complete all as specified and directed

S&F in repair for rewinding of submersible motor 15 HP to 20 HP, 3 Phase 415 V, AC 50 Hz with proper size PVC insulated copper winding wire of existing size and approved make after taking down burnt winding, cleaning of slots with CTC solution, fixing in position and testing complete all as specified and as directed.

All as per ser item No.142.00 above but 10.5 HP to 12.5 HP, 3 Phase 415 V, AC 50 Hz.

All as per ser item No.142.00 above but 7.5 HP, 3 Phase 415V AC 50 Hz.

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S&F heavy duty GI Bend suitable for 80 mm bore column pipe, one side threaded for socket & other side drilled for nut bolts for flange & having arrangement of mounting pressure gauge, including flange & socket complete all as specified and directed.

M&L for servicing of LT panels/ automatic starters complete including minor replacement of burnt internal wiring, thimbles/ lugs, replacement of burnt bolts, nuts and washers and major replacement of accessories like MCCBs, MCBs, Changeover switches, Power contactor etc complete all as specified and directed. . Note : - 1. Minor accessories shall deemed to be included in the quoted unit rate. 2. Major item/accessories shall be measured and paid separately under relevant item.

S&F in replacement of Digital type voltmeter 0-500 V, square type of size 96mmx96mm complete all as specified & as directed

S&F in replacement of Digital type Ammeter 0-30 Amps, square type of size 96mmx96mm with required size CTs complete all as specified & directed

S&F in replacement On Load Change over switch in sheet metal enclosure of 100 Amps, 4 pole, 415 volts complete all as specified and directed.

S&F 3 pole MCCB 200 amp 415 V adjustable type with breaking capacity 36 KA complete all as specified and directed

S&F in replacement of 3 pole MCCB 125 amp 415 V adjustable type with breaking capacity 36 KA complete all as specifiedd and directed

S&F in repair power contactors AC-3 rating 40 Amps, 415 Volts complete all as specified and directed.

S&F Bi metalic over load relay for automatic starters to operate 20 HP pump set of relay range 40-50Amp complete all as specified and directed. .

S&F Star delta timer range 0-30 Sec, 250V complete all as specified and directed.

S&F Star delta timer range 0-30 Sec, 415V complete all as specified and directed.

S&F in replacement of fully automatic star- delta motor starters oil merged suitable for capacity 10.5HP to 20 HP motor with overload, over current, overheat etc protection system complete all as specified and directed

M&L in repair for submersible cable joint for 3 core 6 Sqmm/10 Sqmm with and including waterproof compound and testing complete all as specified and directed.

S&F in repair stainless steel spindle with gun metal nuts suitable for 150 mm dia sluice valve complete all as specified and directed.

All as per item srl No 164.00 above but 100mm dia sluice valve

All as per item srl No 164.00 above but 80mm dia sluice valve

Taking out old unserviceable brass/steel spindle of size upto 150mm dia, opening top cover of suilce valve including taking to workshop for the required leath work, brass weilding, rebuilding threads etc as required and refixing the same for smooth functioning of water supply complete all as specified and directed.

Supply leather packing 6mm thick complete all as specified and directed.

M&L for MS frame work including 6 mm thick MS sheet cover with locking arrangement, MS frame made out of 40 x 40 x 6 mm thick angle iron including nut, bolts, washer, welding, bending, drilling holes for bolts in any shape or size as indicated and complete all as specified and directed.

M&L for preparation of new steel or iron surface over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply & installation in replacement of stequa single stage auto economy sanatizer station complete all as specified and directed.

Supply only Stequa auto economy refile 411 AE Tablet complete all as specified and directed.

M&L for Construction of fire fighting post of height 3.5 feet x length 6 feet x width 3 feet made out of MS angle 40 x 40 x 6 mm and MS sheet duly painted with two coats of over a coat of red oxide primer post office red synthetic enamel paint including construction of PCC foundation for fire fighting including dismantling old post complete all as specified and directed.

Supply, installation in repair bucket made out of MS sheet of capacity 9 ltr as per IS 2546 with carrying handle at bottom of the bucket each for fire fighting point duly painted with post office red synthetic enamel paint complete all as specified and directed.

Supply and lying in repair of rubber mat of size 1 M x 2 M , 19 mm thick complete all as specified and directed.

Supply, installation in repair ABC type fire Extinguiser of cap 9 ltr (ISI marked) with all assesories complete all as specified and directed.

Supply and installation in repair wooden made duly painted first aid box in built hanging and locking arrangement with all necessary first aid medicines material complete all as specified and directed.

M&L for re-threading of GI column pipe, 80mm dia, 3m long including cleaning, finishing complete all as specified and directed.

Supply and fix in repair of PVC insulated Submersible 3 core copper multi standard flat cable 6 sq mm, 1100 Volt complete all as specified and directed.

Supply and fix in repair of PVC insulated Submersible 3 core copper multi standard flat cable 10 sq mm, 1100 Volt complete all as specified and directed.

S&F LED Aviation obstruction light Die-cast aluminum housing with Red polycarbonate dome having IP -65, 240 V for Overhead Water storage tank or reservoir over the height of 1.5 mtr above the top of Tank complete all as specified and directed.

Supply and fixing single door MCB DB 2 way including MCB SP 10 AMP - 01 No including necessary electrical connection for aviation obstruction light complete all as specified and directed.

S&F on surface weather proof service wire connection of single strand, 1100 volt, size 6 Sqmm, 2 core for obstruction light by mean of clips/ saddling ccomplete all as specified and directed.

Material and Labour for earthing complete with iron earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. GI plate connected with galvanised iron strip of 32x6 mm by means of Copper nuts, bolts and washers. Strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following complete all as specified and shown in electrical plate No 3 of SSR Part-I & testing on completion :- (a) GI strip of size 32mm x 6mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c) Excavation & earthwork in any type of soil PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel bar 75mm centre to centre with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.

M&L for earth continuity conductor in replacement fixed to wall buries in ground or in any other situation with GI strips 25 x 4 mm complete all as specified and directed.

M&L for PCC 1:4:8, type D-2 (using 40mm graded aggregate) for repair in footpath for borewells, pump houses etc including demolition of old PCC complete all as specified and directed.

S&F in replacement, retro reflective installation board of size 1.50mx1.20m, made out of acrylic sheet, writing with computer graphic marking, size of letter not more than 50 mm in length with approved white letter writing on blue back and border of 10mm all around including necessary grouting the installation board with PCC 1:2:4 with 20mm graded stone aggregate upto the depth of 0.50m from ground level and to the grout with angle iron of size 40x40x6mm complete with necessary frame work, welding, bending etc complete all as specified and directed.

M&L for rubber gasket/tightening joints for 100mm dia CI pipes complete all as specified and directed.

Surface excavation in hard/dense soil, not exceeding 30 cm deep and averging average 15cm deep for cleaning the area by cutting the unwanted bushes/vegetation growth in and around the area of installations/around the valve pit chamber/along the pipe line routes if reqd etc complete all as specified and directed.

S&F in repair add on aux contact for existing MNX contactor complete all as specified and directed.

GUPTA ENGINEERING WORKS

S K MECHANICAL WORKS