REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM INCLUDING WATER METER AND FIRE HYDRANT SYSTEM IN PATANJALI, CT POOL, MO AND SANKRUBAGH AT NAVAL BASE KARWAR .

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft/loose soil for laying/taking out GI pipe line all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layer not exceeding 25 cm thick in soft/loose soil all as specified and directed.

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

Taking out old unserviceable GI tubing with all fittings from trenches, walls, floors etc of following sizes all as directed :-

a) 100 mm bore

b) 80 mm bore

c) 50 mm bore

d) 40 mm bore

e) 25 mm bore (Note : Excavation & earth work will be measured & paid seperately under respective item of sch'A').

Laying only in new or old position in walls and floors GI tubing obtained from item No 4 (c) to 4 (e) here-in-before including cleaning of pipe including replacement of unserviceable fittings such as bends, elbwos, tees, sockets etc all as directed by Engr-in-Charge of following size:-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore (Note : Fittings required shall be provided by the contractor. Unit rate quoted shall be deemed to include for the same.

Laying only in new or old position in trenches GI tubing obtained from item No 4 (a) to 4 (d) here-in-before including cleaning of pipe including replacement of unserviceable fittings such as bends, elbwos, tees, sockets etc all as directed by Engr-in-Charge of following size:-

a) 100 mm bore

b) 80 mm dia bore

c) 50 mm bore

d) 40 mm bore (Note : 1. Fittings required shall be provided by the contractor. Unit rate quoted shall be deemed to include for the same. 2. Excavation & earth work will be measured & paid seperately under respective item of sch'A').

Supply and fix GI tubing medium grade galvanised with all fittings and laid in walls, roof, ceiling or laid in floors etc all as specified and directed for the following sizes:-

a) 50 mm bore

b) 40 mm bore

c) 25 mm bore

Supply and fix GI tubing medium grade galvanised with all fittings and laid in trenches all as specified and directed for the following sizes :-

a) 100 mm bore

b) 80 mm bore

c) 50 mm bore

d) 40 mm bore (Note : Excavation & earth work will be measured & paid seperately under respective item of sch'A').

Taking out old unserviceable PVC/UPVC/CPVC pipe with all fittings from ceiling/walls/floors etc of following sizes all as directed :-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

Supply and laying of CPVC pipe SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trench complete all as specified for the following sizes :-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

Supply and fix in repairs gun metal gate valve ISI marked with iron wheel head screwed both ends for iron pipe of the following sizes all as specified and directed:-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

Supply & fix in repairs 20 mm dia float valve with PVC ball with epoxy coated aliminium rod & high density plastic ball screwed for iron pipe 20 mm dia complete all as specified & directed.

Supply & fix in repairs 25 mm dia float valve with PVC ball with epoxy coated aliminium rod & high density plastic ball screwed for iron pipe 25 mm dia complete all as specified & directed.

Disconnecting over head PVC service tank connections of any capacity such as inlet pipe/outlet/overflow pipe connections of any size 25 to 50 mm, repairs to leakage of tank through inlet/outlet connections by cutting the over size hole and material and labour for GI pipe fittings such as GI nipple, unions, sockets, reducers, check nuts etc. of size 25 to 50 mm including rubber/fiber packing reconnecting, positioned the tank in its positions all as directed by Engr-in-Charge.

M&L for repair to fire hydrant valves of size 63/80/100 mm dia and shifting at civil workshop by transport, opening up the defective valves and taking out spindle and gate from sluice valve and removing the old threads by grinding and making a new threads by brass welding, turning & polishing to the spindle at civil workshop on grinding machine as per original threads and refixing the same at position and testing complete all as specified and directed by Engr-in-Charge.

Taking out old unserviceable DI/CI pipe with all fittings from trenches or above ground level of following sizes all as directed :-

a) 100 mm dia bore

b) 150 mm dia bore

c) 200 mm dia bore

d) 250 mm dia bore.

e) 300 mm dia bore.

Laying only DI/CI pipe new or old position obtained from item No 16 (a) to (d) including cleaning of following sizes :-

a) 100 mm dia bore

b) 150 mm dia bore.

c) 200 mm dia bore.

d) 250 mm dia bore.

e) 300 mm dia bore.

Supply, laying and testing ductile iron tubing class K-7 with all fittings in trenches all as specified and directed for the following sizes :-

a) 100 mm dia bore

b) 150 mm dia bore.

c) 200 mm dia bore.

d) 250 mm dia bore.

e) 300 mm dia bore.

M&L for bends 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, collars, caps and plugs all ends flanged/sockets or socket and spigot upto 300 mm dia bore complete all as specified and directed by Engr-in-Cahrge.

M&L for rubber gasket joints with all jointing materials complete all as specified and directed for the following sizes:-

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm dia bore.

(e) 250 mm dia bore.

(f) 300 mm dia bore.

M&L for lead wool joints with all jointing materials like lead wool & spun yarn complete all as specified and directed for the following sizes:-

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm dia bore.

(e) 250 mm dia bore.

(f) 300 mm dia bore.

Labour only for breaking reinforced cement concrete chajja or conopy or similar items like cement water storage tank etc not exceeding 12 cm thickness for removing rusted GI pipe of any size and making good etc complete all as specified and directed.

S&F in repairs mild steel nuts & bolts, washer flange etc all as specified and directed.

Supply and applying grease for pump bearings, Make : Indian oil corporation Servogem-3 or equivalent in Bharat Petroleum or Hindustan Petroleum

M&L for preparation of existing painted surfaces of fire hydrent at any area including filling of cavities etc and applying one coat of synthetic enamel paint using spray gun/machine as per colour code including writing hydrent No on fire hydrent etc complete all as specified and directed.

Supply and fixing in repair canvas hose of lenght of 15 Mtr with SS Male and female coupling of size 63/80/100mm dia with GI Binding complete all as specified and directed by Enge-in-Charge.

S&F in repairs gland packing for pump of size 5 HP as per site requirement complete all as specified and directed.

Dismanting and taking out carefully defective spindle from sluice valve of size 80 mm dia and removing the old gate stud by grinding and making it to a shape by brass welding and turning & polishing, greasing, servicing as per original gate stud and refixing the same at position and testing complete.

(a) All as per Item No 28 here-in-before but of size 100 mm dia.

(b) All as per Item No 28 here-in-before but of size 150 mm dia.

(c) All as per item No 28 here-in-before but size 200 mm dia

(d) All as per item No 28 here-in-before but size 250 mm dia

S&F in repairs cast iron sluice valve of size 80 mm flanged PN-1.6 ISI conforming to IS :14846 hand wheel operated, stainless steel stem with gun metal parts flanged driller to IS: 1538 non rising stem PN-1.6 completed all as specified and directed by Engr in charge.

(a) All as per Item No 29 here-in-before but of size 100 mm dia.

(b) All as per Item No 29 here-in-before but of size 150 mm dia.

(c) All as per Item No 29 here-in-before but of size 200 mm dia.

(d) All as per Item No 29 here-in-before but of size 250 mm dia.

Dismantling 5 HP electric motor from the centrifugal pump set of any make, 3 phase 415V of following capacities, opening the motor for rewinding using super enamelled copper wire of suitable gauge to match with the existing winding including varnishing & drying and re-assembling the motor, connecting with pumpset with proper alignment and testing complete through authorised service engineer all as specified and directed.

M&L for overhauling of 5 HP centrifugal pump sets 3 phase 415 volts of following capacities by opening up the pumpset, cleaning inside & out side thoroughly, including replacement of gland packing, rubber insertion, replacement of bearings - 2 Nos (DE/NDE) and testing complete all as specified and directed.

M&L dismantling old unserviceable 200 mm dia water meter CI body flanged and drilled both ends with stainer, supply and fixing new water meter 200 mm dia CI body flanged and drilled both ends confirming to IS 2373/81 mechanical driven straight reading incl 200 mm dia CI stainer and testing complete all as specified and directed by Engr-in-Charge.

S&F in repairs Single Outlet Landing valve (Hydrant Valve) of size 63 mm dia of Straight/Right Angle/Turn Down type made out of gun metal, flanged type, conforming to IS : 5290 along woth cast iron hand wheel operated, female instantaneous outlet, ABS Blank cap and chain complete all as specified and directed by Enge-in-Charge. Make- Newage/Padmini or equivalent make approved by GE.

S&F in repairs hand wheel made out of cast iron , suitable for sluice valve of size 80 to 150 mm complete all as specified and directed by Enge-in-Charge.

S&F in repairs hand wheel made out of cast iron, suitable for sluice valve of size 200 to 300 mm complete all as specified and directed by Enge-in-Charge.

S&F in repairs 3 - way Inlet Breeching, gun metal body having 3 gun metal, 63 mm male instantaneous inlets, fitted with non- return valves with gun metal drain valves, 3 rubber blank caps and chain complete all as specified and directed by Enge-in-Charge. Make- Newage/Padmini or equivalent make approved by GE.

S&F in repairs 2 - way Inlet Breeching, gun metal body having 2 gun metal, 63 mm male instantaneous inlets, fitted with non- return valves with gun metal drain valves, 2 rubber blank caps and chain complete all as specified and directed by Enge-in-Charge. Make- Newage/Padmini or equivalent make approved by GE.

S&F in repairs water monitor 2.5" gun metal body, 63 mm male instantaneous inlets, rubber blank caps and chain complete all as specified and directed by Enge-in-Charge. Make- Newage/Padmini or equivalent make approved by GE.

S&F in repairs rubber seal, blank caps and chain for fire hydrant of any size complete all as specified and directed by Enge-in-Charge.

S&F in repairs hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red out side and brilliant white inside yard complete all as specified and directed.

S&F in repairs aluminium strip 25 x 3.15mm with saddles and fixing screws etc for roof conductors and down onductors above ground complete all as specified and directed.

Supply and fixing in repair PVC suction hose of size 50mm dia, with hose clamp complete all as specified and directed by Enge-in-Charge.

Supply and fixing in repair PVC suction hose of size 80mm dia, with hose clamp complete all as specified and directed by Enge-in-Charge.

S&F in repairs cast iron Non return valve of size 100 mm flanged PN-1.6 ISI conforming to IS : 5312 swing type with nitrile rubber flap flanged end to IS: 1538 all as specified and directed by Engr in charge.

(a) All as per item No 45 here-in-before but size 150 mm dia

(b) All as per item No 45 here-in-before but size 200 mm dia

Supply and fixing in repair float type level indicator, Range up to 9 Mtr completed all as specified and directed by Engr in charge.

M&L for preparation of existing painted surfaces of fire hose boxes etc at any area including filling of cavities etc and applying one coat of synthetic enamel paint using spray gun/machine as per colour code including writing hydrent No on fire boxes etc complete all as specified and directed.

M&L for preparation of existing painted surfaces of 5 HP motor, pump, water pipe lines etc at Sankrubag pump house and filling of cavities etc and applying one coat of synthetic enamel paint using spray gun/machine as per colour code including writing SM & MES No on pump & motor, indication marking etc complete all as specified and directed.

MHALASA CONSTRUCTIONS

N P ENGINEERINGS

K.G.SHANKER

Shree Ayyappa Engineering

M/S VERNEKAR AGENCIES