SERVICES AND MAINTENANCE OF EXTERNAL WATER SUPPLY SYSTEM AND CONNECTED WORK IN DOMESTIC AND TECH AREA AT AF STATION JAIPUR

Amount

Comprehensive maintenance for servicing, testing & commisioning of RO plant of capacity 400 Ltrs/hour including washing, cleaning,sedimentation, filteration, disinfection process, pressure pumping set & chlorine dosing unit at 759SU AF station Jaipur so as to supply qualitative water at permissible level of TDS complete all as specified & directed. Note :- (a) Spares required for replacement will measured and paid separately under respective items here-in this schedule.

Comprehensive maintenance for servicing, testing & commisioning of RO plant of capacity 250 Ltr/hrs including washing, cleaning,sedimentation, filteration, disinfection process, pressure pumping set & chlorine dosing unit at 759SU AF station Jaipur so as to supply qualitative water at permissible level of TDS complete all as specified & directed. Note :- (a) Spares required for replacement will measured and paid separately under respective items here-in this schedule.

Supply only sediment filter suitable for 400/250 Ltrs/hour capacity RO Plant complete all as specified & directed.

Supply and fix only housing vessel of sedimantation filterfor 250/400 ltrs capacity of RO plant complete all as specified & directed.

Supply only RO Membrane suitable for 400/250 Ltrs/hour capacity RO Plant complete all as specified & directed.

Supply only RO membrane housing vessel CPA-2 4040 for 400/250 Ltrs/hour capacity complete all as specified & directed.

Supply only carbon media complete all as specified & directed.

Supply only quality gravells of RO Plant complete all as specified & directed.

Supply only pressure guage range (0 to 7 Kg/cm2) suitable for RO plant operating panel complete all as specified & directed.

Supply only flow meter for 100-500 Ltrs/hour capacity RO Plant complete all as specified & directed.

Supply only superior quality PVC multiport valve for sand vessel complete all as specified & directed.

Supply only superior quality PVC multiport valve suitable for carbon media vessel complete all as specified & directed.

Supply only superior quality PVC union/elbow/socket/nipple of size 25/32mm bore pipe complete all as specified & directed.

S & F in replacement 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4 (PN-16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply of 25 mm dia including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc & testing after laying up to entire satisfaction of engr-in charge all as specified & as directed by engr-in-charge.

M&L rewinding of vertical pump of capacity 1.5 HP single phase RO plant, with super enameled copper wire of suitable guage including greasing and overhauling testing and replacement of ball bearing set, complete all as specified & directed.

S&F sand/carbon resin filter vessel for capacity 400 ltrs capacity RO plant complete as specified and directed.

Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity 500 ltrs PVC tank complete all as specified & directed.

Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity 5000 ltrs PVC tank complete all as specified & directed.

Supply only stequa purity verifier 41021 (chlorine and PH verifier test kit for water) by using tablets complete all as specified & directed.

Supply and fix three layer water storage tank ISI Marked of capacity 5000 litres complete all as specified & directed.

Collect water sample from different location for testing (chemical analyses report i.e. PH,TDS,magneciam, calciam, hardness, nitrate, sulfate, sodium, potassium, SAR) and submited to AGE office from athorised water test lab complete all as specified .

Supply and fix in replacement of tubes "medium grade " galvanised ISI marked with all fittings and fixed complete to walls and ceilings or laid in floors/trenches/under road of the following sizes :- Note:- Excavation shall be measured and paid seperately.

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

100mm bore of Heavy grade

Cutting existing steel tubing/cast iron tubbing for alterations or additions (Each cut measured) complete all as specified and as directed for the following sizes:-

20mm bore

25 or 32 mm bore

40 or 50 mm bore

80mm bore /100mm bore

Excavation in trenches in sft soil n. exc. 1.5 m wide and n. exc. 1.5 m in depth for foundation, taking out/laying of pipe etc, n. exc. 10 sqm on plan and n. exc. 1.5 mtr in depth and getting out including forming bottom surface to required level and gradient in hard /dense soil complete all as specified and as directed.

Returning, filling in excavated soil including spreading, levelling, watering and well ramming in layers not exc 25cm each layers complete all as specified and as directed

Removal of excavated material to a distance n.exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and as directed.

Supply and fixing in replacement gate valve, with iron handle, screwed both ends for iron pipe or for unions and fixing including taking down existing unserviceable valves complete all as specified and as directed for following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply and fixing CI sluice valve ISI marked class 1.6 with rubber packing sheet, nut bolts washers etc, of size 80 mm bore complete all as specified and as directed.

Supply and fixing CI sluice valve ISI marked class 1.6 with rubber packing sheet, nut bolts washers etc, of size 100 mm bore complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete type C2, 1:4:8 (using 40mm graded stone aggregate) complete all as specified and as directed.

S & F in replacement of fully automatic star delta starter in sheet enclosure type 415 V, 50 Hz, 3 phase of maximum output capacity 12.5/15 HP complete all as specified and as directed.

S & F in repair Ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed (Minimum weight 20 mm - 210 gms) complete all as specified and as directed.

S & F in repair Ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed (Minimum weight 15 mm - 145 gms) complete all as specified and as directed.

S & F in repair GI socket 20 mm size complete all as specified and as directed.

S & F in repair GI socket 25 mm size complete all as specified and as directed.

S & F in repair GI socket 40 mm size complete all as specified and as directed.

S & F in repair GI socket 50 mm size complete all as specified and as directed.

S & F in repair GI socket 80 mm size complete all as specified and as directed.

S & F in repair GI socket reducer 25 X 20 mm size complete all as specified and as directed.

S & F in repair GI socket reducer 20X15 mm size complete all as specified and as directed.

S & F in repair GI Union 80 mm size complete all as specified and as directed.

S & F in repair GI Union 50 mm size complete all as specified and as directed.

S & F in repair GI Union 25 mm size complete all as specified and as directed.

S & F in repair GI Union 40 mm size complete all as specified and as directed.

S & F in repair GI Union 20 mm size complete all as specified and as directed.

S & F in repair GI Elbow/bend 80 mm equal size complete all as specified and as directed.

S & F in repair GI Elbow/bend 50 mm equal size complete all as specified and as directed.

S & F in repair GI Elbow/bend 40 mm equal size complete all as specified and as directed.

S & F in repair GI Elbow/bend 25 mm equal size complete all as specified and as directed.

S & F in repair GI Elbow 20 mm equal size complete all as specified and as directed.

S & F in repair GI Tee 50X50X25 mm equal size complete all as specified and as directed.

S & F in repair GI Tee 80X80X50 mm equal size complete all as specified and as directed.

S & F in repair GI Tee 20X20X20 mm equal size complete all as specified and as directed.

S & F in repair GI Tee 25X25X25 mm equal size complete all as specified and as directed.

S & F in repair GI nippel 25 mm dia of length 8 inch complete all as specified and as directed.

S & F in repair GI nippel 40 mm dia of length 12 inch complete all as specified and as directed.

S & F in repair GI nippel 50 mm dia of length 12 inch complete all as specified and as directed.

S & F in repair GI nippel 20 mm dia of length 8 inch complete all as specified and as directed.

S & F in repair GI reducer 25X20 mm size complete all as specified and as directed.

S & F in repair GI reducer 15X20 mm size complete all as specified and as directed.

Cleaning only to 10000 gln static water tank after pumping out water, removing all scale, dirts, sludge, silt and alike etc and applying two coats of white wash at inner and outer surfaces complete all as specified and as directed.

Cleaning only to 25000 gln static water tank after pumping out water, removing all scale, dirts, sludge, silt and alike etc and applying two coats of white wash at inner and outer surfaces complete all as specified and as directed.

Taking out Submersible Pump/Openwell Submersible pump set of Cap 7.5-10.2 HP, 3 phase, 415 volts, 50Hz, AC supply along with column pipe 50 mm dia from existing length of pipe from the bore well after disconnecting electric connection, taking to the workshop ,dismantling of pump and motor for repairing/ replacing defective parts as ordered and re-assembling and testing including replacing worn out nuts, bolts, washers complete and lowering the same after repairing and making electrical and delivery pipe connections complete all as specified and directed. Note : - (i) The spare part required for replacement shall be measured & paid for separately as supply.

Supply only, stainless steel pumpshaft.

Supply only, gun metal impeller with neck key, distance bush.

Supply only Shaft bush.

Supply only thrust bearing with plate of pump as per existing.

Supply only rubber gasket 3mm thick having 4 Nos of 5/8" dia hole.

Supply only Shaft coupling with key.

Repair to pump shaft by welding, grinding, polishing & straighting etc.

Preparation of old painted including scraching and smooth surface and apply two coat of paint on steel surface of pump and motor of any capacity complete all as directed.

Inserting/Replacement of corroded both side flanged GI Medium grade ISI marked column pipe with new 50/80 mm ( Each of 6 m length) including all t&P for taking out and installation Make; Tata/ Jindal/ Surya Prakash

M&L dismentalling electrical connection of monoblock pump of 15 HP ,and send it for repair to workshop and including suitable guage, rewinding copper wire with properly insulating material and replacement of ball bearing set, impeller of pump, shaft & bush etc ,testing by working and reassemble fixing it on same position complete all as specified & directed.

M&L dismentalling electrical connection of fire monoblock pump of 40 HP , and send it for repair to workshop and including suitable guage, rewinding copper wire with properly insulating material and replacement of ball bearing set, impeller of pump, shaft & bush etc ,testing by working and reassemble fixing it on same position complete all as specified & directed.

M&L dismentalling electrical connection of booster pump/Openwell submersible pump of 1/2 or 1 HP ,and send it for repair to workshop and including suitable guage, rewinding copper wire with properly insulating material and replacement of ball bearing set, impeller of pump, shaft & bush etc ,testing by working and reassemble fixing it on same position complete all as specified & directed.

S&F in repair foot valve 80 mm dia brass casting ISI marked including replacing its MS nut bolts and washers complete all as specified and as directed.

M & L for renewing cement concrete tiles in patches, area not exc 5 sqm including removing and cleaning old tiles, preparing beds and laying or setting, jointing and pointing new or old tiles complete all as specified and as directed.

M&L for Machine pressed precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade, with grey cement and pigment complete all as specified and as directed.

M&L for chequered cement concrete tiles 20cm x 20cm x 25mm thick with grey cement and no pigment, set, jointed and pointed in neat cement slurry in floors complete all as specified and as directed.

S&F in repair oblique type of stainless steel fire hydrant landing valve (single headed outlet) of 60 mm dia of size confirming to IS 5290 complete all as specified and as directed.

S&F in repair pressure guage 0-14 Kg rating in discharge line of fire hydrant complete all as specified and as directed.

M&L for repair to electronic metering pump for of capacity dosing rate 04 Kg per square cm of 400 stokes per minute set for chlorine dozing and including suitable guage rewiring copper wire with properly insulating material and replacement of display, internal circuit, solenoide valve, bearing, impeller, bush, shaft, suction valve, discharge valve etc complete all as specified and as directed.

Supply and fixing in repair water meter 80 mm dia including all fixing arrangement complete all as directed.

M&L CPVC Pipe 25 mm dia for water distribution including socket elbow union complete all as specified & directed.

Supply of Calcium Hypochlorite having chlorine content 65% to 70 % free flowing granular material and easily soluble in water. The material shouldnot contain more than 5% to 10 % moisture.Maximum of 10% mesh passing through - 100 BSS and stability loss should be within 10%.

Supply and fix 63mm dia 30 mtre long hose for used hydrant system conforming to IS-636 complete with male and female coupling conforming to IS-903 all as specified and as directed .

M/S ROHIT CONSTRUCTION