MAINTENANCE OF WATER SUPPLY INSTALLATIONS AND REPAIR/REPLACEMENT OF WATER SUPPLY LINES AND ITS CONNECTED ITEMS AND SUPPLY OF WATER TREATMENT CHEMICALS AT KATTABOMMAN UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A' PART-I

Excavation in trenches for laying of GI water tubing etc., getting out in soft/loose soil n.exc 1.5m wide and n.exc 1.5m depth complete all as specified and directed.

Returning, filling in trenches including spreading, leveling, watering and in layers n.exc 25cms thick without damaging pipes/special fittings as in any type of soil complete all as specified and directed.

Removing excavated materials to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

Supply and Lay galvanised iron tubing medium grade 100 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Supply and Lay galvanised iron tubing medium grade 80 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Supply and Lay galvanised iron tubing medium grade 50 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Supply and Lay galvanised iron tubing medium grade 25 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Supply and Lay galvanised iron tubing medium grade 20 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Supply and Lay galvanised iron tubing medium grade 15 mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed.

Laying only galvanised iron tubing medium grade 15/20/25mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed. Note : GI pipe will be issued by department under schedule "B" free for fixing.

Laying only galvanised iron tubing medium grade 50mm bore with all necessary fittings, cutting thread and laid in trenches all as specified and as directed. Note : GI pipe will be issued by department under schedule "B" free for fixing.

Supply and fixing gun metal globe or gate valve 50 mm dia with iron wheel head, screwed both ends for iron pipe including taking down serviceable valve complete all as specified and as directed.

Supply and fixing gun metal globe or gate valve 40 mm dia with iron wheel head, screwed both ends for iron pipe including taking down serviceable valve complete all as specified and as directed.

Supply and fixing gun metal globe or gate valve 25 mm dia with iron wheel head, screwed both ends for iron pipe including taking down serviceable valve complete all as specified and as directed.

Supply and fixing gun metal globe or gate valve 20 mm dia with iron wheel head, screwed both ends for iron pipe including taking down serviceable valve complete all as specified and as directed.

Supply and fixing gun metal globe or gate valve 15 mm dia with iron wheel head, screwed both ends for iron pipe including taking down serviceable valve complete all as specified and as directed.

Taking out / cutting out damaged pvc pipe, fixing new pipe for damaged portion and jointing with sealent, testing of leakage, removing old pipe from site complete of the following size of pipe as specified and directed. NOTE:(i) Excavation & earth work shall be measured and paid separately under relevent items. (ii) Supply only new pipe will be measured & paid seperately. (iii) One job consist of taking out one portion of pipe after cutting both sides and refixing of new pipe.

(a) 25 mm dia

(b) 40 mm dia

(c) 50 mm dia

(d) 75 mm dia

(e) 100 mm dia

Supply only of CPVC pipes SDR 11 & plain CPVC SDR 11 fittings for following sizes complete all as specified and directed.

(a) 50 mm dia

(b) 40 mm dia

(c) 25 mm dia

supply only of CPVC pipes SDR 11 & plain CPVC SDR 11 fittings for following sizes with CPVC schedule 80 pipes & plain CPVC Schedule fittings complete all as specified and directed.

(a) 75 mm dia

(b) 100 mm dia

Supply and fix of hose coller for jointing of PVC/HDPE pipe of size 50mm/80mm complete all as specified and directed.

Taking out old CI pipe from trenches,including taking out Joint, burning out/removing lead joint, set the pipe in original postion, supply & fixing CI collars at both ends, testing of leakage, removing /return old material complete of the following size of pipe as specified and directed. NOTE: (i) Supply only Cast iron pipe shall be measured and paid separately under relevent items. (ii) Excavation & earth work shall be measured and paid separately under relevent items. (iii) One job consist of taking out one portion of pipe after cutting both sides and refixing of new pipe.

(a) 80 mm dia

(b) 100 mm dia

(c) 150 mm dia

(d) 200 mm dia

Supply only of cast iron pipes with spigot and socket ends centrifugally cast, class LA in any length laid in trenches the following size of pipe complete all specified and as directed.

(a) 80 mm dia

(b) 100 mm dia

(c) 150 mm dia

(d) 200 mm dia

Material and labour for 40 mm thick PCC 1:2:4, type B-1 (using 20mm graded stone aggregate)in floor,etc finishing exposed surfaces of even and smooth, with out using extra cement complete all as specified and directed .

Construction of valve chamber of size 1200mm x 900mm x 900 mm internal size including necessary earth work and excavation, 100mm thick PCC 1:4:8 type D2 using 40mm graded stone aggregate for foundation, 220mm thick brick work in cement mortar 1:6, 50mm thick PCC 1:3:6 type C1 using 20mm graded stone aggregate for coping, 15 mm thick rendering in cement mortar 1:4 for internal and up to 150mm level ground level on external surfaces, including provision of mild steel cover 3 mm thick on 40mm X40mm x 6 mm angle iron frame work with two coats of synthetic enamel painting over and including a coat of zinc chrome primer and suitable locking arrangements and dismantling existing valve chamber complete all as specified and directed.

Construction of valve chamber of size 600mm x 600mm x 600 mm internal size including necessary earth work and excavation, 100mm thick PCC 1:4:8 type D2 using 40mm graded stone aggregate for foundation, 220mm thick brick work in cement mortar 1:6, 50mm thick PCC 1:3:6 type C1 using 20mm graded stone aggregate for coping, 15 mm thick rendering in cement mortar 1:4 for internal and up to 150mm level ground level on external surfaces, including provision of mild steel cover 3 mm thick on 40mm X40mm x 6 mm angle iron frame work with two coats of synthetic enamel painting over and including a coat of zinc chrome primer and suitable locking arrangements and dismantling existing valve chamber complete all as specified and directed.

Taking down old defective foot valve and supply and fix new CI foot valve heavy duty with confirming IS-4038 of following sizes complete all as specified and directed:-

(a) 50 mm dia

(b) 150 mm dia

Taking down old defective non return valve supply and fix non return valve with by pass arrangement working pressure 10 kg per sq cm confirming to IS- 5312 including jointing by means of rubber gasket 3mm thick, MS nut bolt, washers etc., including testing for following sizes:-

(a) 150 mm dia

(b) 100 mm dia

Taking down the defective induction motor of any make 415 volt 3 phase by dismantling the electrical connections, removing the motor from bed by decoupling with pump transporting to workshop, dismantling it completely, removing the burnt out winding, rewinding the same with super enameled copper wire of same back to site and with and transporting with the pump necessary insulating material, varnishing, backing and re-assembling the motor completly with all connections complete all as specified and directed for following capacity. Note : (i) Burnt out removed winding wire shall be property of contractor through schedule of credit. (ii) Bearing shall be measured and paid separatly.

(a) Electric motor 20 HP

(b) Electric motor 12.5 HP

(c) Electric motor 7.5 HP

(d) Electric motor 5 HP

(e) Electric motor 3 HP

Servicing/overhauling of centrifugal pump set by dismantling completely and replacing unserviceable ball bearing, shaft sleeve, gland nack ring gland rope,nut and bolts etc. assembling back the complete pump and fixing alignment to the original position and coupling with pump and necessary alignment etc with Two coat enameled paint including scraping complete and written MES/SM, testing and commissioning complete all as specified and directed Note: (i) Spares shall be measured and paid separatly under relavent items. (ii) Painting and writting including item rate. (a) Maintenance schedule :- (i) Checking for looseness of all the foundation and coupling nuts/bolts and rectification. (ii) Checking for proper functioning of all the voltmeter, Ammeter, starter, contactor etc and rectification. (iii) Checking for proper functioning of suction and discharge pressure gauges and rectification. (iv) Checking of leakage in gland packing, shifting base, bushes sluice valves, gate valves etc and rectification. (v) Checking for any undue noise of motor pump and rectification. (b) Maintenance schedule :- (i) Checking for proper aligment and rectification. (ii) Checking for proper lubrication in bearing and lubricating. (iii) Checking all electrical panel using for pumping for cleanliness and rectification for any looseness burnt redressing etc.

Supply and fixing in repairs of the following DOL / star delta starter complete all specified and as directed.

(a) DOL starter 3 phase suitable for 5 HP motor

(b) Star delta starter suitable for 20 HP motor.

Material and labour for spray Painting of motor / pump, Two coat enameled paint before one coat of red oxide paint including scraping and written MES/SM No complete all as specified and directed of the following capacities.

Material and labour for taking up submersible pump set 16 HP from shallow well, 3-phase 415v,50Hz,AC, opening the motor,cutting and removing the burnt windings, cleaning the starter and rotor with cleaning agent. rewinding the motor with appropriate gauge of super enameled copper wire of approved make insulating the winding with same class of insulation complete all as specified and directed.

Material and labour for disconnecting /removing the old unserviceable starters parts from the panel and supply and fixing new contactor with relay for fully automatic star delta starters for AC 415v, 50Hz, 3-phase suitable for 20 HP capacity electric motor complete all as specified and directed .

Material and labour CI Specials of any dia including taking down of unservicable / damaged specials as required at site all as specified and directed.

Taking down old unserviceable sluice valves and supply and fix new Sluice valve CI body double flanged and drilled conforming to IS-780 of 1980 PN-1.6 including rubber gasket 3 mm thick, stainless steel spindle, iron wheel head and suitable size of nuts bolts and washers complete all as specified for the following sizes. Make: Kirloskar/L&T/Upadhya/Leader/Venus

(a) Sluice valves 250 mm dia

(b) Sluice valves 200 mm dia

(c) Sluice valves 150 mm dia

(d) Sluice valves 100 mm dia

(e) Sluice valves 80 mm dia

Repairs to CI sluice valves by taking down worn out unserviceable gland sleeve, check nut spindle, gate etc., and cleaning the valve by removing all scales and reassembling the valve with new packing, nut and bolts complete all as specified and directed for the following diametre:-

(a) 200mm dia.

(b) 150mm dia.

(c) 100mm dia.

(d) 80mm dia.

Supply and fix in repair brass float valve, ISI marked high pressure with polythene float and fly nut complete, screwed of following size / bore including necessary GI fittings such as elbow, reducer, nipple etc. complete all specified and as directed.

M & L for attend and rectify day to day complaints such as pipe line leakages, no water supply in service tank, etc , removing air lock in married / OTM accommandation with help of required tools and plants complete all as specified and directed

M & L for fixing of GI fittings of 40 MM dia union complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia elbow complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia tee complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia X 150 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia X 100 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia X 75 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 40 MM dia X 50 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia union complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia elbow complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia tee complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia X 150 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia X 100 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia X 75 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 50 MM dia X 50 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia union complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia elbow complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia tee complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia X 150 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia X 100 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia X 75 MM long nipple complete all as specified and directed.

M & L for fixing of GI fittings of 25 MM dia X 50 MM long nipple complete all as specified and directed.

M & L for boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 80 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

Supply and fix pig lead for jointing of cast iron pipes all as specified and directed.

Supply and fix lead wool for jointing leaking of cast iron pipes all as specified and directed.

M & L for Cutting /Cleaning grass and bushes with grass cutting mechine in Pump house of area size 50X50 Mtr and OHT near main pump house and married accn area of size 15X15 Mtr and removing the grass and bushes complete all as specified and directed.

Taking down old steel water tubing galvanised medium grade and connection including fitting like Tee, Bend, Socket, Elbow, Short pieces connectors, plugs, and unions etc, cutting thread all as specified and directed.

(a) 100 mm dia

(b) 80 mm dia

(c) 50 mm dia

(d) 25 mm dia

(e) 20 mm dia

(f) 15 mm dia

Material and labour for 75 mm thick cement concrete 1:4:8, type D-2 (using 40mm graded stone aggregate) in flooring finishing exposed surfaces even and smooth, with out using extra cement complete all as specified and directed .

Supply only for the following items conforming to IS specification and suitable for drinking water purpose treatment complete all specified and as directed.

(a) Bleaching powder

(b)Copper sulphate

(c) Alum granules

Material and labour for Auqa fit - Chlorine (65 - 70%) calcium based granular disinfected for water treatment more stable than chlorine gas and stronger than bleaching powder and sodium hypochlorite complete all specified and as directed. Make: M/s Sree Rayalaseema Hi-Strength Hypo Ltd., Brand: Puri Chlor or equivalent make as approved by GE

Meterial labour for Algicide cleaner can to kill all types of algae at low dosage safe for skin and eyes of swimmers easy to apply ready to use in swimming pool after adjest pH valve before treatment and add the Algaecide according to the package directions all as specified and directed.

KRA Engineering and Construction

VVM CONSTRUCTIONS

Vinayaga constructions