REPAIR AND MAINT OF PUMP SETS CLEANING OF UG SUMPS, OHT AND EXTERNAL WATER SUPPLY NETWORK AND ALLIED ITEMS AT MOMB GHATKOPAR AND INS HAMLA UNDER

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for exposing getting out GI/CI pipes in soft/loose soil all as specified and as directed.

Excavation for surface dressing in soft/loose soil not exceeding 15 cm deep and cleaning of area complete all as specified and directed.

Returning ,filling in, including spreading levelling watering and well ramming lin layers not exceeding 25 cm after the pipes have been laid all as specified and directed with soil .

Removing excavated material / soil to a distance n. exc 50 m above starting point complete all as specified and directed.

Supply and fixing in trenches for suction pipe jointing GI tubing medium grade including all fittings such as bends elbows tees union short pieces connectors check nuts caps plugs etc for the following sizes incl. taking out old one complete all as specified and directed. Note : Excavation and earth work will be measured and paid seperately under relevent items.

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply and fixing on floor, ceiling wall and in sump jointing GI tubing medium grade including all fittings such as bends elbows tees union short pieces connectors check nuts caps plugs etc for the following sizes incl taking down old one complete all as specified and directed.

80 mm bore

50 mm bore

40 mm bore

25 mm bore

Material and Labour for rubber gasketing out (titan joint) for DI pipe of size 100mm.

Supply and fix in repairs gun metal gate valve with iron wheel head screwed both ends for iron pipe for the following sizes complete all as specified and directed.

80 mm Bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply and fix in repair sluice valve of size 150 mm long type with cast iron body bonnet wedge stuffing box gland thrust plate hand wheel of grey cast iron spindle of stainless steel nut body seal ring and wedge facing ring lead tin, bronze bolt nut of high carbon steel bounate gasket of compressed fibre glands packing of jute having flanged & drill type nominal pressure rating, PN 1.6 i.e 10 kgs/Sqcm unit conforming to IS -14846-2000 including material & labour for jointing flanged joint with rubber fibre jointing ring bolt nut & washer etc including necessary earth work. complete all as specified and directed

All as per item No 9 here in before but of size 100 mm.

All as per item No 9 here in before but of size 80 mm.

All as per item No 9 here in before but of size 200 mm.

Supply and fix in repairs Foot valve cast iron body both ends flanged suitable for 150 mm bore CI pipe connection all as specified and directed

Supply and fix in repairs Foot valve cast iron body both ends flanged suitable for 100mm bore CI pipe connection all as specified and directed

Supply and fix in repairs Foot valve cast iron body both ends flanged suitable for 80mm bore CI pipe connection all as specified and directed

Supply and fix in repairs brass foot valve 50 mm size screw type heavy grade of make Kirloskar or equivalent all as specified & directed by Engineer-in-Charge

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algaes and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 10000 gallons capacity at officer qters MOORA Ghatkopar, sea Eagle pump house at INS Hamla, FSB Erangle & MAP pump House.

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algaes and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 20000 gallons capacity at officer qters MOORA Ghatkopar, KV School INS Hamla.

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algaes and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 25000 gallons capacity at main pump house at Ghatkopar.

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algaes and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 30000 gallons capacity at main pump house at Ghatkopar.

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algae and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 40000 gallons capacity at Main pump house INS Hamla.

Cleaning of underground sump by draining / pumping of water removing / sludge from bottom removing algaes and other growth from wall/floor/ roofs by high pressure cleaning method with rotary jets with approved detergent fubbing with vaccum cleaner sucking out all dirty water disinfecting the sump with chemical treatment (Chemical approved by FOA/WHO to make the sump totally clean bacteria free including painting MS steps manhole covers and suction pipe with synthetic enamel paint of 1.25 lakhs gallons capacity at Nau Sena Vihar at Ghatkopar.

Cleaning the shallow well at INS Hamla by dewatering the well with diesel engine pumping set and removing muds sludge/sediments, cutting the bushes, removing roots from inside cement plaster where ever required cement washing to the well walls, patch repairing by welding to MS top cover MS parts with one coat of rede oxide primer and two coats of synthetic enamel paints, cleaning vegetation upto 2 mtr around the well including disposal of sludge /sediments roots side MD land all as specified and directed.

Cleaning the static water tank of any capacity at INS Hamla by dewatering the well with diesel engine pumping set and removing muds sludge/sediments, cutting the bushes, removing roots from inside cement plaster where ever required cement washing to the well walls, patch repairing by welding to MS top cover MS parts with one coat of red oxide primer and two coats of synthetic enamel paints, cleaning vegetation upto 2 mtr around the well including disposal of sludge /sediments roots side MD land all as specified and directed.

Material and labour for disconnecting & stopping of incoming/ washout and outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank & depositing the same in low laying areas all as directed cleaning the overhead tank from in side by using high pressure cleaning method with rotary jet wilth approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due and pipes (raising delivery wash out and over flow with sluice valves) including painting of pipe with two coats of synthetic enemel paint as per MES colour approved by EIC at site for RCC overhead tank 10 mtr stanging 2000 gallons at NS-9 Ghatkopar

Material and labour for disconnecting & stopping of incoming/ washout and outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank & depositing the same in low laying areas all as directed cleaning the overhead tank from in side by using high pressure cleaning method with rotary jet wilth approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccum cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due and pipes (raising delivery wash out and over flow with sluice valves) including painting of pipe with two coats of synthetic enemel paint as per MES colour approved by EIC at site for RRC overhead tank 30 mtr staging 100000 gallons main pump house at Ghatkopar and for RCC overhead tank 18 mtr staging 100000 gallons at main pump house Hamla.

Material and labour for disconnecting & stopping of incoming/ washout and outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank manually & depositing the same in low laying areas all as directed cleaning the underground sump from in side by using high pressure cleaning method with rotary jet wilth approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due and pipes (raising delivery wash out and over flow with sluice valves) including painting of pipe with two coats of synthetic enemel paint as per MES colour approved by EIC at site for RCC underground sump 2000 gallons at NMC Bldg complete.

Material and labour for disconnecting & stopping of incoming/ washout and outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank and depositing the same in low laying areas all as directed cleaning the overhead tank from in side by using high pressure cleaning method with rotary jet with approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due and pipes (raising delivery wash out and over flow with sluice valves) including painting of pipe with two coats of synthetic enamel paint as per MES colour approved by EIC at site for RCC overhead tank 18 mtr staging 50000 gallons at NSB INS Hamla.

Material and labour for disconnecting & stopping of incoming/ washout and outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank & depositing the same in low laying areas all as directed cleaning the underground sump from in side by using high pressure cleaning method with rotary jet wilth approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due and pipes (raising delivery wash out and over flow with sluice valves) including painting of pipe with two coats of synthetic enemel paint as per MES colour approved by EIC at site for RCC underground sump 33000 gallons at Vikramaditya sump complete.

Overhauling centrifugal pump set of capacity 25 HP after removing from base plate disconnecting form pipe line and dismentling pump set, replacing US gland packing gun metal bush bearing and water seal applying greasing etc reassembling the pump set and refixing back on the base plate and conneting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets suction and discharge pipe line with one coat of paint with spray painting also connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

Overhauling monoblock pump set of capacity 15 HP after removing from base plate disconnecting form pipe line and dismentling pump set, replacing US gland packing gun metal bush bearing and water seal applying greasing etc reassembling the pump set and refixing back on the base plate and conneting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets suction and discharge pipe line with one coat of paint with spray painting also connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

Overhauling monoblock pump set of capacity 10 HP after removing from base plate disconnecting form pipe line and dismentling pump set, replacing US gland packing gun metal bush bearing and water seal applying greasing etc reassembling the pump set and refixing back on the base plate and conneting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets suction and discharge pipe line with one coat of paint with spray painting also connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

Overhauling monoblock pump set of capacity 7.5 HP after removing from base plate disconnecting form pipe line and dismentling pump set, replacing US gland packing gun metal bush bearing and water seal applying greasing etc reassembling the pump set and refixing back on the base plate and conneting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets suction and discharge pipe line with one coat of paint with spray painting also connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

Overhauling monoblock pump set of capacity 05 HP after removing from base plate disconnecting form pipe line and dismentling pump set, replacing US gland packing gun metal bush bearing and water seal applying greasing etc reassembling the pump set and refixing back on the base plate and conneting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets suction and discharge pipe line with one coat of paint with spray painting also connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

Disconnecting removing dismantling and rewinding of electric motor induction type three phase 415 Volts 50 Hz AC supply with supper enamelled copper wire of suitable gauge including varnishing, reassembling/ re-fixing connecting and commissioning and testing complete for 10 HP cap pump motor all as specifiec and directed by EIC

Disconnecting, removing dismantling and rewinding of electric motor induction type three phase 415 Volts 50 Hz AC supply with supper enamelled copper wire of suitable gauge including varnishing, reassembling/ re-fixing connecting and commissioning and testing complete for 25 HP cap pump motor all as specifiec and directed by EIC

Disconnecting removing dismantling and rewinding of electric motor induction type three phase 415 Volts 50 Hz AC supply with supper enamelled copper wire of suitable gauge including varnishing, reassembling/ re-fixing connecting and commissioning and testing complete for 15 HP cap pump motor all as specifiec and directed by EIC

Disconnecting removing dismantling and rewinding of electric motor induction type three phase 415 Volts 50 Hz AC supply with supper enamelled copper wire of suitable gauge including varnishing, reassembling/ re-fixing connecting and commissioning and testing complete for 7.5 HP cap pump motor all as specifiec and directed by EIC

Disconnecting removing dismantling and rewinding of electric motor induction type three phase 415 Volts 50 Hz AC supply with supper enamelled copper wire of suitable gauge including varnishing, reassembling/ re-fixing connecting and commissioning and testing complete for 5 HP cap pump motor all as specifiec and directed by EIC

Supply installation, testing and commissioning of FAST ELECTRODE maintenance free Chemical Earthing of Dual Pipe Technology, each of 3 Meter long with Outer Pipe Diameter of 88mm (galvanised for 80-120 micron and wall thickness 1.80mm) and Inner Pipe diameter 48mm (galvanised for 80-120 micron and wall thickness 2.60mm). There shall be terminal of size 75 x 5.20mm for connection with two holes of 14mm diameter. FAST ELECTRODE shall be duly filled with the highly conductive, Non Magnetic, Non Corrosive material and duly sealed at both ends with lead terminal of 75x5.2mm at top. The ELECTRODE shall be of 'make' having approval of CPRI (Central Power Research Institute), Govt of India for a minimum short circuit current of 42 KArms for 1 Second with initial pick of 88.2 KA. The FAST ELECTRODE Earth Enhancing Compound (minimum 25Kg) shall be pored on alround the electrode. The chemical compound to be used shall be as per the manufacturer's instructions of 'Electrode' and as also certified by any BIB (Bureau of Indian Standards) accredited laboratory.Electrode connected to GI earth strip 32 x 6mm by mean of bolts, nuts, check nuts and washer of stainless steel all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including PCC pit and CI cover etc GI protection pipe of suitable size including testing on completion all as specified and directed. Notes:- (i) The contractor shall procure the above materials either directly from the manufacturer(s) or their authorised dealers only and shall produce the original purchase vouchers alongwith original manufacturer's test certificates and other authenticated documents in compliance of the provisions as mentioned in the above item. Also all the requisite testing as specified above, in relevant IS and as directed by the GE shall be got done by the contractor. Cost of all the above elements shall be deemed to be included in the contractor's quoted rates. (ii) Any additional quantity of Earth Enhancing Compound in case required to obtain the desired results, the same also be provided by the contractor without any additional cost to the Govt. and quoted rates of above item shall be deemed to include the above element also. (iii) Necessary earth strip to connect equipment shall also provided by the contractor .

Material and labour for construction of valve chamber of size 900 x 900 mm x 900mm (internal diamensions built in brick masonary on 15 cm thick PCC foundaton (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thck hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thck internally including exposed surfaces of external surfaces, MS cover made out of 3 mm thick MS sheet on angle iron framework made out of 40 x 40 x 3 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thck PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed by Engineer-in-Charge.

Material and labour for construction of valve chamber of size 500 x 400 mm x 600 mm(internal diamensions built in brick masonary on 15 cm thick PCC foundaton (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thck hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thck internally including exposed surfaces of external surfaces, MS cover made out of 3 mm thick MS sheet on angle iron framework made out of 40 x 40 x 3 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thck PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed by Engineer-in-Charge.

Material and labour for construction of valve chamber of size 600 x 600 mm x 600 mm(internal diamensions built in brick masonary on 15 cm thick PCC foundaton (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thck hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thck internally including exposed surfaces of external surfaces, MS cover made out of 3 mm thick MS sheet on angle iron framework made out of 40 x 40 x 3 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thck PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed by Engineer-in-Charge.

Material and labour for construction of valve chamber of size 1000 x 1000 mm x 900 mm(internal diamensions built in brick masonary on 15 cm thick PCC foundaton (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thck hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thck internally including exposed surfaces of external surfaces, MS cover made out of 3 mm thick MS sheet on angle iron framework made out of 40 x 40 x 3 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thck PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair water meter for 100 mm dia CI pipe as per ISO-4064 Class-B including material & labour for jointing flanged joint with rubber fibre jointing ring bolt nut & washer etc including necessary earth work. complete all as specified and directed.

Supply and fixing in repair water meter for 80 mm dia CI pipe as per ISO-4064 Class-B including material & labour for jointing flanged joint with rubber fibre jointing ring bolt nut & washer etc including necessary earth work. complete all as specified and directed

Supply and fixing jointing and commissioning ISI marked IS NO:83292000 centrifugally cast ductile iron pipe (DI Pipe) of nominal diameter (DN) 150 mm class K-7 with internal cement mortar lining and external bitumen coating socketed and spigot comlete all as specified and directed. (a) DI fittings and excavation work will e meassured and paid separately. (b) The push-on-joint (rubber gasket) shall be measured and paid separately.

Supply and fixing jointing and commissioning ISI marked IS NO:83292000 centrifugally cast ductile iron pipe (DI Pipe) of nominal diameter (DN) 100 mm class K-7 with internal cement mortar lining and external bitumen coating socketed and spigot comlete all as specified and directed. (a) DI fittings and excavation work shall be measured and paid separately. (b) The push-on-joint (rubber gasket) shall be measured and paid separately.

Supply and fixing and jointing ductile iron fittings (DI Specials) such as bends,colars,tail piece, upto 200 mm dia pipe complete all as specified and directed.

Supply and fixing 3-layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches of following sizes :-

63mm bore outer dia (50 mm internal dia)

50mm dia bore outer dia (40mm internal dia)

32mm dia bore outer dia (25mm internal dia)

Taking down cast iron mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead complete of size 80 mm and all as specified and directed.

Taking down cast iron mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead complete of size 100 mm and all as specified and directed.

Supply and fix cast iron pipes 80mm dia with spigot and socket ends centrifugally cast class 'LA' in any length complete laid in trenches and all as specified and directed.

Supply and fix cast iron pipes 100 mm dia with spigot and socket ends centrifugally cast class 'LA' in any length complete laid in trenches and all as specified and directed.

Supply and fix CI fittings suitable for spigot and scoketed pipes bends (any type, radius and angles) 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 upto 150mm bore size and all as specified and directed.

Supply and fixing 3-layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings laid in trenches of following sizes :-

63mm bore outer dia (50 mm internal dia)

50mm dia bore outer dia (40mm internal dia)

32mm dia bore outer dia (25mm internal dia)

Material and labour for replacement of unserviceable timer of starter, Type ET-100, range 9 to 30 sec adjustable type voltage 415 V including electrical connection all as specified and directed by Engr-in- Charge

Supply and fix in replacement of MCCB TP 63 Amp of breaking capacity 16 kA complete all as specified and directed

Supply and fix in replacement of MCCB TP 100 Amp of breaking capacity 16 kA complete all as specified and directed

Material and labour for replacement of un serviceable power contactor for starter of water pump including all electrical connection of the following type complete all as specified and as directed

Power contactor type ML 1.5 suitable for 10 HP pump set starter.

Power contactor type ML 1.5 suitable for 7.5 HP pump set starter.

Supply & fix in repairs ammeter 0-500 Amps with CT, size 96mm x 96mm with rotary switch complete all as specified and directed

Supply & fix in repairs voltmeter 0-500 Volts of size 96mm x 96mm with rotary switch complete all as specified and directed

Supply & fix in repairs indicator neon lamp,230V,SP Square or round complete all as specified and directed

Supply & fix flexible PVC hose pipe heavy duty 40/50mm dia for suction sweeper complete all as specified and directed

Taking down old unserviceable cable and supply and laying PVC sheathed unarmored PVC inculcated cooper conductor cable 4 core 4 sqmm fixed on wall/ceiling/duct complete all as specified and directed by Engineer-in-charge.

Material and labour for construction of valve chamber of size 900 x 900 x 900 mm (internal dimensions built in brick masonary on 15 cm thick PCC foundation (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thick hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thick internally including exposed surfaces of external surfaces, MS cover made out of 3 mm thick MS sheet on angle iron framework made out of 40 x 40 x 3 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thick PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No 66 above but of size 1200x1000 x 900 mm complete all as specified and directed.

Supply installed and replacements of water level indicator with providing electronic type water level indicator electrically operated including indicator box , regulating , controls and connecting cables etc with provision of sensors inside the OH tank of capacity one lakh gallon at main Pump House/ NSB OH tank for both inner and outer tank including drilling Holes, hold-fast and clamps etc complete all as specified and directed.

M&L in repairs for sub main wiring four run of size 6 sqmm PVC insulated electric power cable (heavy duty) 1100 volts grade with stranded copper conductor with 4.0 sqmm PVC insulated copper conductor earth wire in casing caping of suitable size (three run of 4 sqmm cable and one run of PVC conduit will be measured as one unit) including dismantling of existing unserviceable submain wiring complete all as specified and directed.

M&L for PVC unarmoured copper conductor cable 1.5 sqmm 6 core for providing electric supply to water level indicator in PVC conduits of suitable size fixed to wall / ceiling complete all as specified and directed.

Material and labour in repair for earthing complete with GI earth plate electrode 600x600x6 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground lavel) with top edge of the plate not less than 1.5mtr below normal ground lavel connected to GI earth strip 32X6 mm by mean of bolts, nuts, check nuts and washer of brash all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including PCC pit and CI cover fullel with watering pipe, wire mess and copper lugs etc GI protection pipe 40 mm dia medium grade including testing on completion all as specified and directed.

Supply and fix GI earth strip 32 x 6mm fixed on wall with insulators complete including connections with pump sets complete all as specified and directed.

Comprehensive maint of bio gas plant including replacement of consumable spares and maintaining the plant in good working condition complete all as specified and directed.

Supply and fixing 200 Amp rating On load change over switch with sheet steel enclosure, conforming to IEC 947-3, EN-60947-3AC-23A, Front operated 4 pole 415 V, 50 Hz

Taking down, vertical storage type electric water heater (geyser) of storage capacity 25/50 ltrs for servicing by dismentaling inner tank including replacement of unserviceable thermostat, heating element & indicating lamps, pressure release valve, fiber gasket, nuts & bolts, repairs to internal wiring and painting externally including fixing back on wall after completion of entair work complete connecting and testing all as directed. Note : The spares like thermostat, heating element & lamps, presure release valve will be measured and paid seperately under relevant item.

Supply and fix in repairs heating element of 1.5 KW/2.00 KW including fiber washer, ISI Marked, any type complete all as specified and directed.

Supply and fix in repairs non return valve 15 mm dia and connecting of complete, heavy duty, ISI Marked, any type all as specified & directed.

Supply and fix in repairs safety valve/high pressure release valve, 15 mm dia heavy duty, ISI Marked, any type all as specified & directed.

Supply and fix in repairs thermostatic switch, SP, 230 V, ISI Marked complete all as specified & directed.

Supply and fix in repairs hdpe PVC connecting pipe for hot and cold water with HDPE adopter 18 inch long 15mm dia ISI Marked complete all as specified & directed.

Supply only Altoc GP grannule

Deduct Credit for Demolished/ Dismantled material Rs. (-) 138935.00 (Minus) as listed in Schedule of Credit Note: Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum'

Shree Ayyappa Engineering

GRAND SERVICES