REPAIR AND MAINTENANCE OF PUMP SETS AND CLEANING OF OVERHEAD TANKS AND UG SUMPS AND EXTERNAL WATER SUPPLY NETWORK AND COMPREHENSIVE MAINTENANCE OF ON GRID ROOF TOP SOLAR POWER AT INS HAMLA UNDER GE (NW) BHANDUP

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 complete all as specified and as directed.

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

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

Taking up / down old unserviceable chocked rusted GI pipe & fittings complete for bore of pipes 80/65/50/40 mm dia bore complete all as specified and as directed.

All as per item No.4 above but for 25mm dia bore complete all as specified and as directed.

All as per item No.4 above but for 20mm dia bore

All as per item No.4 above but for CI/DI Pipe of 200 mm bore.

All as per item No.4 above but for CI/DI Pipe of 150 mm bore.

All as per item No.4 above but for CI/DI Pipe of 100 mm bore.

Supply and laying in trenches /fixing to wall / ceiling or floor, jointing, GI tubing, medium grade including all fittings such as bends, elbows, tees, union, short pieces, connectors, check nuts, caps, plugs etc for bore of pipe 80mm dia complete all as specified and directed

All as above item No 10.00 above but for the pipe dia 65 mm

All as above item No 10.00 above but for the pipe dia 50mm

All as above item No 10.00 above but for the pipe dia 40mm

All as above item No 10.00 above but for the pipe dia 25mm

All as above item No 10.00 above but for the pipe dia 20mm

Supply and fix in repairs Non Return valve Cast iron body flanged suitable for 65/80mm bore GI delivery pipe connection complete all as specified and directed.

Supply and fix in repairs Non Return valve Cast iron body threaded type both ends suitable for 50mm bore GI delivery pipe connection all as specified and directed.

Supply and fix in repairs Foot valve Brass body flanged suitable for 65/80mm bore GI pipe connection complete all as specified and directed.

All as per item No.18 above but for size 50mm dia complete all as specified and directed.

Supply and fix in repairs gun metal gate valve with iron wheel head, threaded both ends of size 50 mm duly ISI mark complete all as specified and directed.

Supply and fix in repairs gun metal gate valve with iron wheel head, threaded both ends of size 40 mm duly ISI mark complete all as specified and directed.

Supply and fix in repairs gun metal gate valve with iron wheel head, threaded both ends of size 25 mm duly ISI mark complete all as specified and directed.

Supply and fix in repairs gun metal gate valve with iron wheel head, threaded both ends of size 20 mm duly ISI mark complete all as specified and directed.

M & L for repairing/overhauling of the following Monoblock centrifugal pump set coupled with Squirrel cage induction motor by replacing of unserviceable parts like,gland packing, bearings, sleeves bushes, housing, shaft with gunmetal impeller including transporting to workshop & back and lath work for filling and grinding of shaft etc assembling the pump with new packing materials, nuts and bolts, washers, greasing, painting to the motor body metal cover and checking the alignment disconnect/connecting up with delivery, suction pipes testing of pump set after complete the work for following capacities all as directed. (Note :- All spares suitable to existing pump set of Kirloskar make) (a) Pump set of 15 HP Capacity.

All as per item No.24 above but for Pump Set of 10.0 HP Capacity

All as per item No.24 above but for Pump Set of 7.5 HP Capacity

All as per item No.24 above but for Pump Set of 5.0 HP Capacity

M & L for disconnect/reconnect the electrical connection and uncoupling from pump and dismantling from common base frame and opening of stater and rotor removing the burnt wiring and rewinding of the induction motor with suitable size of super enameled copper winding wire of existing gauge and insulating materials and sleeves, varnishing the winding, drying, replacement of terminal plate re assembled/installed in common base frame testing the motor with existing pump set of the following capacities including transportation to workshop & back complete all as specified and directed. (a ) Electric motor of 15 HP Capacity.

All as per item No.28 above but for Pump Set of 10 HP Capacity

All as per item No.28 above but for Pump Set of 7.5 HP Capacity

All as per item No.28 above but for Pump Set of 5.0 HP Capacity

Material and labour for replacement of unserviceable din rail mounted Elecronic Timer for Star delta starter, with adjustable Time range 9 to 30 sec,1-Phase, 230 V operated including electrical connection complete all as specified and directed.

Material and labour for replacement of unserviceable water pressure gauge of the range 0 to 7.5 Kg /sqcm complete all as specified and as directed.

Material and labour for replacement of un serviceable over load relay suitable for 3 phase motor 5-15 HP motor size with ISI Approved including all electrical connection of the complete all as specified and as directed

Material and labour for replacement of un serviceable power contactor type ML 1.5 suitable for 5.0/7.5/ 10/15 HP pump set starter of water pump including all electrical connection of the following type complete all as specified and as directed

Material and labour for replacement of un serviceable Single phase preventor 230v 50 hz supply operated for phase protection of 3 phase water pump including all electrical connection of the following type complete all as specified and as directed

Supply & fix in replacement ISI approved Digital ammeter 0-30 Amps with suitable size CT for the existing Motor panel including rotary switch complete all as specified and directed. Make : L & T/Siemens/schnider

Supply & fix in replacement ISI approved flush type Digital Multifunction meters measures V,A,f,p.f at 3 phase 415 V,50 HZ AC with existing size fitted on Pump Control SS Panel complete all as specified and directed.Make : L & T/Siemens/schnider

Supply & fix in replacement of u/s indicator neon lamp,R,Y,B,G clours 230V,SP round complete all as specified and directed

M&L for PVC unarmoured copper conductor flexible cable 2.5 sqmm 6 core multicolour for providing electric supply to water level indicator in PVC conduits of suitable size fixed to wall / ceiling complete all as specified and directed.

Supply and laying DWC (Double Wall Corrugate) HDPE pipes of pressure rating 6 Kg/Cm sq of size 40 mm dia IS: 16205(Part 24):2018 laid in trenches complete all as specified and directed.

Material and Labour for dry fine sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable complete all as specified and as directed. Note : [Punned thickness 18 cm shall be measured & paid]

Supply and laying un-reinforced pre cast concrete cable cover, class LV type 1 with flat size 250mm x 150mm x 40mm complete all as specified and as directed.

Supply and laying GI pipe 80 mm, light grade for the protection of the cable passing through road crossing, etc complete all as specified and as directed.

Supply and laying in repairs cable LT XLPE insulated and screened PVC bedded, galvanised steel strip armoured electric power cable (heavy duty) with stranded aluminium conductor, 1100 Volts grade complete all as specified and directed by Engineer in charge for the following sizes including taking down existing u/s LT cable. Note It include cost of removing the old cable and fixing the new cable in panel/ required location with all lugs/cable clamp saddling if required e.t.c for 95 Sqmm 3.5 Core complete all as specified and as directed.

M & L for Premix Ready mix road repair patching Compound for repairs to damage road any depth,including sweeping free from dust and mud or water,scouring sunken surfaces in roads,paths etc,cutting around edges to at least 25 mm in depth,filling in screened and graded road metal,watering and well ramming etc complete all as specified and directed.(For Road Cutting Repair)

Material and labour for PCC 1:2:4 type B2 (using 40 mm graded stone aggregate) for filling the disturbed road opening for cable crossing include levelling with road surface and smooth finishing complete all as specified and directed. ( for Road Cutting Repair)

Supply and fix in repairs 5 hp Sumbersible pump capable of handling mud /clog water complete all as specified and directed.

Supply and fix in repairs gun metal air valve of suitable size upto 15 mm on pump set complete all as directed.

S&F Line diaram of water supply distribution system, Pump & Motor equipment details printed on aluminium compound PVC sheet 5 mm thick in rectangular shape with blue backround and all alphabet printed in white colour including MES Logo, fixing on wall with all accessories complete all as specified and as directed.

Supply and Fix, testing and commissioning Electronic water level indicator device with control cable tank any type to indicator location (Sensor system with LED Display) 10 level showing water level in cm/meter (before overflow) as per predetermined limits and power failure, complete with all accessories including taking down unserviceable item in any situation/height complete all as specified and as directed.

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 as directed.

Material and labour for construction of valve chamber of size 1200 x 1200 x 1200 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 as directed.

Material and labour 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 Copper earth strip 25X4 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.

Cleaning of underground water 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 10000 gallons capacity. Each at Sea Eagle-1 pump house and MAP pump House at INS Hamla complete all as specified and as directed.

All as per item no.55 above but for 50000 gallons capacity at KV Pump House INS Hamla complete all as specified and as directed.

All as per item no.58 above but for 40000 gallons capacity at Main Pump House INS Hamla complete 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 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 stanging 50000 gallons at NSB INS Hamla complete all as specified and as directed.

All as per item no.58 above but for 100000 gallons capacity at Main Pump House INS Hamla complete all as specified and as directed.

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 complete all as specified and as 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 complete all as specified and as directed.

M & L for repairing/overhauling of the Vegitation/Kitchen waste digestor(anaerobic type) Bio Gas plant(Britto make) including their maintenance and repairs/replacement with all consumable spare parts such as MS tanks welding,painting,gas valve etc(excluding major accessory/items/jobs are measured and paid seperately such motors winding,as supplied only under concerned for the following Items installed in Bio gas plant complete all as Specified and directed by Engr - in - charge (a) 3 Phase Motor 5 HP Capacity - 02 Nos(b) 3 Phase air Compressor -01 Nos(c) Motor Control Panel and Connected items such as Motor Starters,Contactors,Relays,Conrol Wiring, and Push Buttons etc.(d) Agitator/Mixer -02 Nos (e)MS digester tank (f) MS gas holder floating tank (Note :- All spares suitable to existing Bio gas plant specifications only)

Supply and laying in repairs in trenches Ductile iron pipes with spigot and socket ends centrifugally cast. k7, in any length, laid in trenches etc complete all as specified and directed for the bore of pipe 100mm dia complete all as specified and as directed.

All as per item No.63 above but for the pipe dia 150 mm

All as per item No.63 above but but for the pipe dia 100 mm

Supply and Laying/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 for the pipe size 63mm bore outer dia (50 mm internal dia).

Material and labour for Lead joint for the existing Cast Iron pipe of dia size 200 mm dia including Joint by Cutting The existing cast iron pipes and reducing to required.length. The rate quoted by the contractor inlcudes Extra Pipe of 250 mm dia upto 1.0 mtr length and lead jointing material of required quantity to make without any leakage after testing complete all as specified and directed Note : The rate for excavation of earth work will paid and measered seperately.

Supply and Fix Ductile iron mechanical(Coller type) Joint by Cutting The existing cast iron pipes and reducing to required length for insertion of new Mechanical joint for the Pipe size dia 200 mm complete all as specified and directed. Note : The rate for excavation of earth work will paid and measered seperately.

All as per item No.68 above but for size 150mm dia complete all as specified and directed.

All as per item No.68 above but for size 100mm dia complete all as specified and directed.

Supply and fix in replacement of sluice valve of size 150 mm dia with cast iron short body Hand wheel with stainless steel spindle, checknut complete all as per IS -14846-2000 with nominal pressure rating, PN 1.6 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.72 above but for size 100mm dia complete all as specified and directed.

All as per item No.72 above but for size 80mm dia complete all as specified and directed.

All as per item No.72 above but for size 65mm dia complete all as specified and directed.

Supply and fixing PP-R gate valves (brass insert) as per requirement of the site for 63 mm bore dia pipe (internal dia 50mm) complete all as specified and directed.

All as per item No.75 above but for 50 mm bore pipe (internal dia 40mm) complete all as specified and directed.

All as per item No.75 above but for for 32 mm bore pipe (internal dia 25mm) complete all as specified and directed.

Comprehensive maintenance of Roof top solar power generating system 20/30/50 KWp at various location at INS Hamla specified below by the trained and qualified employee to provide routine maintenance, examination, according to recommended schedule of maintenance/ service for once in a month or required as per site requirement during working hours including holidays to undertake the necessary examination for loose connections, electrical checks, voltage, string current, inverter , software updation when required and Solar panels cleaning including removing plants, leaves, vegetation, shading from closer trees, etc complete all as specified and as directed by the Engineer-in-charge. a.20 KWp plant at Sea Eagle -II at INS Hamla b.50 KWp plant at logistic Building at INS Hamla c.50 KWp plant at New A&T Block at INS Hamla d.20 KWp plant at New A&T Block at INS Hamla e.20 KWp plant at Old A&T Block at INS Hamla f.30 KWp plant at Old A&T Block at INS Hamla g.30 KWp plant at Old A&T Block at INS Hamla h.30 KWp plant at JSB 320 (P-151) at INS Hamla j.30 KWp plant at JSB 320 (P-151) at INS Hamla k.50 KWp plant at Sea Sentinel (P-209) at INS Hamla l.20 KWp plant at Sea Sentinel (P-209) at INS Hamla

Material and labour in repairs for attending breakdown and rectification of faults detected each on existing on grid roof top solar plant of capacity 20/30/50 Kwp at various location at INS Hamla, BIS certified, MNRE approved bifacial mono crystalline PERC half cut cells solar PV module/panels duly installatied on roof tops with each panel having capacity not less than 550Wp complete with poly carbonate junction boxes, comprising of fused incomers and outgoing terminals (positive/negative) using for 4 sqmm cables copper conductor multistranded (solar cross linked XLPE cables double insulated , UV resistant halogen free low smoke ) from panel to panel complete installed as per following:- (a) Capacity of plant: 20 KWp (b) Location: Bldg Sea Eagle-II, New A&T Block, Old A&T Block and Sea Sentinel at INS Hamla

All as per item No.79 above but for Capacity of plant: 30 KWp. Location: Bldg Old A&T Block and JSB 320 at INS Hamla

All as per item No.79 above but for Capacity of plant: 50 KWp. Location: Bldg : Logistic bldg , New A&T Block and Sea Sentinel at INS Hamla

Supply and replace in repairs pre fabricated roof top solar panel mounting structure suitable upto 50 KWp each On each grid roof top solar power generating system made of Aluminium angles/channels/flats including nuts/bolts and washers suitable for wind resistance upto 40-50 m/s and loading capacity of 10-30 Ton including necessary foundation block at suitable points to provide for a stable robust support with J bolt of proper size aincl using Neto bond solution to adhere the foundation block with the RCC roof for pre existing panels installed at various location at INS Hamla (mentioned in item no 12 ) including taking down old u/s one complete all as specified and directed. NOTE - (i) All Materials Make shall be approved as per MNRE/BIS . (ii) Any Other Component as required for efficient function of system is included in the above quoted rates.

Supply and install in repairs for BIS approved IP- 66 rated on grid string inverter, natural cooled, suitable for ambient temperature range 0 to 60 deg Celsius, 50/60 Hertz frequency, with anti islanding features, having three phase AC output with inbuilt surge protection devices, Anti reverse power controller, fuse protection, DC/AC switches, LCD display for generating data, Wifi/GPRS data logger if required , multiple MPPT for optimum generation, wide input voltage range, efficiency not less than 90% etc for capacity range not less than 30 KW including taking down old u/s inverter complete all as specified and directed.

Supply and install in repairs Solar module 550 watt rated power, current at max power 13.2 minimum , covered IS/ IEC Standard capatible with existing roof top plant including fixing and installing with all connected accessories also including taking down old u/s module complete all as specified and directed.

Supply and fix in repairs DC distribution boards(Array Junction Box) ,IP66,suitable for existing roof top solar power generating system of rating 50KW, 1000 volts, 8 incomer and 8 outgoing or required on the site basis with DC surge protection device 1000 V ,DC fuse and MCBs for string network. The DB will be having terminals suitable for 4 Sqmm copper conductor cables and the enclosure for the DB shall be made of powder coated MS with IP66 protection including taking down old u/s junction box complete all as specified and directed.

Supply and fix in repairs DC distribution boards(Array Junction Box) ,IP66,suitable for existing roof top solar power generating system of rating 30/20 KW, 1000 volts, 8 incomer and 8 outgoing or required on the site basis with DC surge protection device 1000 V ,DC fuse and MCBs for string network. The DB will be having terminals suitable for 4 Sqmm copper conductor cables and the enclosure for the DB shall be made of powder coated MS with IP66 protection including taking down old u/s junction box complete all as specified and directed.

Supply and fixing in repairs solar inverter cooling fan.of inverter capacity upto 50kwp input voltage 48V DC complete all as specified and directed.

Supply and fixing in repairs solar inverter SPD (Surge protection device) upto 50 kwp complete all as specified and directed.

Supply and fixing in repairs DSP (Digital signal processor) board for 50/ 30 kwp inverter complete all as specified and directed.

Supply and fixing in repairs AC/DC filter board for solar inverter of 50 kwp complete all as specified and directed.

Supply and fixing in repairs UV protected XLPO Solar Grade copper Cable of size,PVC insulated 1 Core 4 Sqmm with DC Connectors (male & female) pair MC4,650 Volts rated all as specified and direcetd.

M&L in repairs for 3.5 core XLPE Multi strandard aluminium conductor cable of size 70 sqmm,1100 Volts,armoured complete all as specified and directed (For connecting AC DB to LT panel )

Material and labour for plain cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate for pathways / pole coping all as specified and as directed.

Material and labour 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 complete all as specified and directed.

Note: Contractor must ensure and provided certificate (once in a year) of capacity utilisation factor (C.U.F) should be maintained minimum 16% throughout the year of all Solar roof top plant complete all as specified and directed.

Deduct Credit for Demolished/ Dismantled material Rs. (-) 99,780.00 (Minus) as listed in Schedule of Credit Note1: Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum' Note 2:- The tenderer must keep in mind when quoting rates against items out in multiple store house having height 4 mts to 7 mts. Necessary scaffolding and safety measures required during execution of work are including in this items.

Shree Ayyappa Engineering (BID ID -3235038)

Jay Jyotirling construction co. (BID ID -3235154)