REPAIR REPLACEMENT AND MAINTENANCE OF RISING SUPPLY MAIN AND EXTERNAL WATER SUPPLY AT MIL STN GANDHINAGAR

Amount

Excavating in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth, for foundation, etc in hard/dense soil and getting out all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layer not exc 25 cm with soil obtained from excavation all as specified and directed.

Removing excavated material (Soil) not exc 50 mtr and depositing where directed at a level not exc. 1.5 m above the starting point all as specified and directed

Taking up, 150mm bore, cast iron water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Taking up, 200mm bore, cast iron water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

M&L for 150mm bore cast iron pipes with spigot and socket ends, centrifugally cast, class LA, in any length laid in trenches complete all as specified and directed.

M&L for 200mm bore cast iron pipes with spigot and socket ends, centrifugally cast, class LA, in any length laid in trenches complete all as specified and directed.

Taking up or down steel tubing and connections for 15mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 20mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 25mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 40mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 50mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 80mm bore of pipe complete all as specified and directed.

Taking up or down steel tubing and connections for 100mm bore of pipe complete all as specified and directed.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 15mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 20mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 25mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 40mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 50mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 80mm bore of pipe.

S&F, galvanized, steel water tubes, medium grade with all fittings, laid in trenches complete all as specified and directed for 100mm bore of pipe.

Demolition of existing valve pit and M&L for construction of valve pit consisisting of 230mm thick, old size brick masonry wall in cement mortar (1:6), PCC (1:4:8) type D2, using 40mm graded stone aggregete as in fondation, PCC (1:2:4) type B1, using 20mm graded stone aggregete in coping/bed, finished even and smooth, rendering 15mm thick in cement mortar (1:6) internally and 10mm thick in cement mortar (1:4) externally, finished even and smooth without using extra cement incuding three coats of white wash and earth work in any type of soil and including 3mm thick MS sheet cover fixed on 40mmx40mmx6mm thick angle iron frame ambeded in PCC coping with locking arrangement and mild steel hold fast & handle and duly painted with two coats of synthetic enamel paint over one coat of primer etc. complete all as shown on drawing NO TD/2004/26 Sh 1/1 to 1/3 and as specified and directed for the following sizes:-

(a) 1350mm x 1000mm x 1200mm

(b) 1535mm x 1500mm x 1200mm

(c) 1050mm x 750mm x 1000mm

S&F, in repair, cast iron sluice valve 350 mm dia with flanged ends class PN-1.6 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, cast iron sluice valve 300 mm dia with flanged ends class PN-1.6 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, cast iron sluice valve 200 mm dia with flanged ends class PN-1.6 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, cast iron sluice valve 150 mm dia with flanged ends class PN-1.6 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, cast iron sluice valve 100 mm dia with flanged ends class PN-1 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, cast iron sluice valve 80 mm dia with flanged ends class PN-1 with iron wheel, stainless steel spindle and check nut confirming to IS :780 including all jointing materials such as nuts, bolts, washers and gaskets etc. complete all as specified & directed .

S&F, in repair, CI air release valve with two air outlets 40mm dia bore including necessary nut bolts and gasket for inserting in 80mm bore pipe complete all as specified and directed.

S&F, in repair, CI air release valve with two air outlets 50mm dia bore including necessary nut bolts and gasket for inserting in 100mm bore pipe complete all as specified and directed.

S&F, in repair, 150mm bore, cast iron, reflux valve (non return valve) with flanged ended with rubber gasket and nut bolts complete all as specified and directed.

S&F, in repairs, Gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed all as specified and directed for following bores of pipe:-

(a) 15 mm bore

(b) 20 mm bore

(c) 25 mm bore

(d) 40 mm bore

(e) 50 mm bore

(f) 80 mm bore

S&F, in repair, CI fittings, bends, 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 of size for 150 to 300mm bore complete all as specified and directed

S&F, in repair, CI fittings for flanged pipes, bends, tapers, Tee pieces (Single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged up to 150 mm to 300mm bore complete all as specified and directed.

M&L for horizontal drilling, in any type of soil, using trenchless technology suitable for insertion of 300mm bore CI/GI pipe complete all as specified and directed.

M&L for horizontal drilling, in any type of soil, using trenchless technology suitable for insertion of 200mm bore CI/GI pipe complete all as specified and directed.

M&L for horizontal drilling, in any type of soil, using trenchless technology suitable for insertion of 25 to 100mm bore CI/GI pipe complete all as specified and directed.

Supplying, Hoisting, fixing in position and connecting, in repairs, 1000 litres capacity rotational moulded polyethylene water storage tank (cylindrical, vertical with closed top) including fixing arrangement for inlet/outlet/over flow and vent pipe of standard size all as specified in SSR Part-I complete all as specified and directed.

Supplying, hoisting, fixing in position and connecting, in repairs, 5000 litres capacity rotational moulded polyethylene water storage tank (cylindrical, vertical with closed top) including fixing arrangement for inlet/outlet/over flow and vent pipe of standard size all as specified in SSR Part-I complete all as specified and directed.

M&L for run lead joint for 80mm bore spigot & socket CI pipes and fittings complete all as specified and directed.

M&L for run lead joint for 100mm bore spigot & socket CI pipes and fittings complete all as specified and directed.

M&L for run lead joint for 150mm bore spigot & socket CI pipes and fittings complete all as specified and directed.

M&L for run lead joint for 200mm bore spigot & socket CI pipes and fittings complete all as specified and directed.

M&L for run lead joint for 300mm bore spigot & socket CI pipes and fittings complete all as specified and directed.

Dismantling and taking out ATS (Auto Transformer Starter) from 60 HP starter motor panel and taking out burnt winding from the cores and rewinding the same with appropriate gauge of winding wire of thermal Class "E" including replacement of contact points and refixing the ATS at existing place including connecting and testing complete

Repair/replacment of 30 HP Starter Panel fully automatic including replacing the unserviceable items such as contactor, relay complete wiring to make it serviceable in all aspects and refixing the same, connecting and testing complete all as specified and directed.

M&L, in repairs, earthing complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth strip of 25x4mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point using earth strip of 25x4mm as earth lead all as specified and testing on completion including provision of earth lead protected by 40 mm dia light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earth work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc complete. Note : Rate quoted by tenderers shall be deemed to include for following provisions:-[i]. Excavation & earth work in any type of soil including removing of surplus material upto 50 M.[ii]. PCC 1:3:6 type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC 1:2:4 type B1 cover 50x50 cm with 8mm TMT bars @ 10 cm C/C both ways with handles.[iii]. Main earthing lead from earth electrode to test point upto 7.5 mtr.[iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs, charcoal & salt as reqd.[v]. GI protection pipe of size 40 mm bore light grade 7.5m.

M&L for Cleaning of underground RCC reserviour(sump) 2,00,000 gallon (inner compartment capacity 1,60,000 gallons, outer compartment capacity 40,000 gallons) at main pump house, by draining out stored water completely with mud, pumping out and throwing away manually with buckets and cleaning of inner surface of bottom and walls of sump after removing complete accumulated sludge/mud, dirt etc and scraping all inner surfaces with steel wire brush and finally washing with fresh water two times, disinfecting the reserviour with 2% solution of potassium permanganate, two coat of white wash inside of the sump and two coat of snowcem paint to the out side of the sump including writing date of cleaning with white synthetic enamel paint complete all as specified and directed.

M&L for Cleaning of RCC overhead reserviour of capacity 2,00,000 gallon at 21 Metre staging by draining out stored water completely cleaning of inner surface of bottom and walls of tank by removing complete accumulated sludge/mud, dirt etc with steel wire brush and finally washing with fresh water two times, disinfecting the reserviour with 2% solution of potassium permanganate, including writing date of cleaning with white synthetic enamel paint and removing sludge, scale mud etc. complete all as specified and directed.

M&L for Cleaning of RCC overhead reserviour of capacity 1,00,000 gallon at 21 Metre staging by draining out stored water completely cleaning of inner surface of bottom and walls of tank by removing complete accumulated sludge/mud, dirt etc with steel wire brush and finally washing with fresh water two times, disinfecting the reserviour with 2% solution of potassium permanganate, including writing date of cleaning with white synthetic enamel paint and removing sludge, scale mud etc. complete all as specified and directed.

M&L for Cleaning of underground RCC reserviour (sump) 25000 gallon at MAP pump house, by draining out stored water completely with mud, pumping out and throwing away manually with buckets and cleaning of inner surface of bottom and walls of sump after removing complete accumulated sludge/mud, dirt etc and scraping all inner surface with steel wire brush and finally washing with fresh water two times, disinfecting the reserviour with 2% solution of potassium permanganate, two coat of white wash inside of the sump and two coat of snowcem paint to the out side of the sump including writing date of cleaning with white synthetic enamel paint complete all as specified and directed.

Supply only, Calcium based, Calcium hypo cloride, white to off white, free flowing granular, chlorination chemical having 65%-70% chlorine content, (Calcium based granular disinfectant for water treatment dirnking water) complete all as specified and directed. Make:- SREE RAYALASEEMA/DECLIBAC or equivalent as approved by GE

Supply only Alum ferric 'A' class, complete all as specified and directed.

Supply only Sodium Hypo Chloride (Liquid Chlorine) 100 GPL (40 to 50%) in container of 35 Ltrs with ISI marked complete.

Supply only PAC (Poly Aluminium Chloride-AC/100S) of In-organic soluable polymer powder, effective in both high & low turbidity, rapid and better floac formation, much lower dosing rates, less sludge genaration, less PH reduction, ISI marked in 25 Kgs plastic bags complete.

S&F, in repair, Agitator 120 Watt, 900 RPM, single phase flanged mounted motor, incl plastic shaft and impeller, voltage input, 230 volts 50 Hz incl taking down old demaged unserviceable motor.

S&F, in repair/replacement of injector chemical dosing pump working in 230 Volt single phase, 50 Hz high flow rate of 0-20 LPH and high pressure of 10Kg/Cm² and strokes/minute of max 135, min 15 with motor including accessories, injection check valve, foot valve and discharge tubing, foot valve incl taking down old damaged pump assembly complete all as specified and directed. Make - SREE RAYALSEEMA or equivalent make as approved by GE.

S&F, in repair chemical dosing tank model No. AQUA1006 of net capacity 100 Ltrs. FRP DOSING TANK DIA 540 X bottom dia 480mm x hight575 consisting of water inlet line, injector dosing PUP inlet arrangement, over flow level guage, injection port complete all as specified and directed.

S&F, in repair, Auto starter 250 Amp cum fault analyzer cum protection & control panel fabricated out of 16 guage sheet for 70 HP motor .provided & fitted with MNX -140-2 Nos, MNX-110-01 No, of approved make along with MCCB of 200 Amp rating (thermal magnetc) with rotary handle also of (L&T/SIEMENS/SCHNEIDER) & Thermmal over load protection range (90-150) for 70 HP -01 No Star delta timer 1 No Digital fault analyzer cum controller which provide protection against low voltage below 375 V, High voltage above 445 V, single phasing, reverse phasing, Un balanced phasing, Dry running, overloading with toggle switch for by passing fault analyzer system including 01 set phase indicating lamp, 01 No 3 phase digital volt meter & 01 No 3 phase digital amp meter should be provided alongwith suitable current transformer. The internal control wiring should be done with flexible PVC LT copper wire with proper thimbling at each end. LED contactor 'COIL OK', indicators, one for each of the contactors / coils, LED star and delta indicators to access the star to delta timing and an audio warning system/ siren which activate only on starter failure. (Bus bar cap - 250 Amp Aluminum) complete all as specified and directed

S&F, in repair, auto starter 200 Amp cum fault analyzer cum protection & control panel fabricated out of 16 guage sheet for 65 HP motor .provided & fitted with MNX -140-2 Nos, MNX-110-01 No, of approved make along with MCCB of 200 Amp rating (thermal magnetc) with rotary handle also of (L&T/SIEMENS/SCHNEIDER) & Thermmal over load protection range (66-110) for 65 HP -01 No Star delta timer 1 No Digital fault analyzer cum controller which provide protection against low voltage below 375 V, High voltage above 445 V, single phasing, reverse phasing, Un balanced phasing, Dry running, overloading with toggle switch for by passing fault analyzer system including 01 set phase indicating lamp, 01 No 3 phase digital volt meter & 01 No 3 phase digital amp meter should be provided alongwith suitable current transformer. The internal control wiring should be done with flexible PVC LT copper wire with proper thimbling at each end. LED contactor 'COIL OK', indicators, one for each of the contactors / coils, LED star and delta indicators to access the star to delta timing and an audio warning system/ siren which activate only on starter failure. (Bus bar cap - 200 Amp Aluminum) complete all as specified and directed

S&F, in repair, auto starter 160 Amp cum fault analyzer cum protection & control panel fabricated out of 16 guage sheet for 60 HP motor .provided & fitted with MNX -140-2 Nos, MNX-110-01No, of approved make along with MCCB of 200 Amp rating (thermal magnetc) with rotary handle also of (L&T/SIEMENS/SCHNEIDER) & Thermmal over load protection range (66-110) for 60 HP -01 No Star delta timer 1 No Digital fault analyzer cum controller which provide protection against low voltage below 375 V, High voltage above 445 V, single phasing, reverse phasing, Un balanced phasing, Dry running, overloading with toggle switch for by passing fault analyzer system including 01 set phase indicating lamp, 01 No 3 phase digital volt meter & 01 No 3 phase digital amp meter should be provided alongwith suitable current transformer. The internal control wiring should be done with flexible PVC LT copper wire with proper thimbling at each end. LED contactor 'COIL OK', indicators, one for each of the contactors / coils, LED star and delta indicators to access the star to delta timing and an audio warning system/ siren which activate only on starter failure. (Bus bar cap - 160 Amp Aluminum) complete all as specified and directed

Dismantling existing pipe connections and electrical connections, de-watering and lifting up the submersible pumps of cap 60 HP type BPH 384/8 motor 3 phase 415 volts 50 HZ carefully and transporting to workshop for repair and bringing back at site after repair and lowering the same including making the water and electric connection including commissioning and testing complete. Note :- (i) Repair of submersible pump and pump motor shall be measured & paid separately under respective item of this schedule. (ii) T&P shall be arranged by the contractor. (iii) Transportation of pump set from site to workshop and bringing back at site inclusive in quoted rate.

De-assembling of electric motor of 45 KWs of submersible pump set (Make KSB), cutting and removing the existing burnt winding wire of any gauge, cleaning and making good the slots, rewinding the electric motor with PVC insulated copper wire of appropriate size/gauge, application of insulating material & varnishing including replacing of ball bearings-02 Nos, moisture seal and re-assembling the motor, commissioning & testing complete to the entire satisfaction of Engineer-in-charge all as specified and directed.

De-assembling of submersible pump assembly of cap 60HP Make-KSB, for repair by replacing of company recomended parts of Mechanical seal - 2 Nos, CI impeller - 1 No, Lower Bearing - 1 No, O Ring - 1 No, Spiral plate - 1 No, Compay recomended Lubriucating oil - 7 Ltrs, Moisture sensor including bolts, nuts and washers, re-assembling the same and comisioning & testing complete all as specified and directed.

Dismantling existing pipe connections and electrical connections, de-watering and lifting up the submersible pumps of cap 55 HP type BPH 384/8 motor 3 phase 415 volts 50 HZ carefully and transporting to workshop for repair and bringing back at site after repair and lowering the same including making the water and electric connection including commissioning and testing complete. Note :- (i) Repair of submersible pump and pump motor shall be measured & paid separately under respective item of this schedule. (ii) T&P shall be arranged by the contractor. (iii) Transportation of pump set from site to workshop and bringing back at site inclusive in quoted rate.

De-assembling of electric motor of 40 KWs of submersible pump set (Make KSB), cutting and removing the existing burnt winding wire of any gauge, cleaning and making good the slots, rewinding the electric motor with PVC insulated copper wire of appropriate size/gauge, application of insulating material & varnishing including replacing of ball bearings-02 Nos, moisture seal and re-assembling the motor, commissioning & testing complete to the entire satisfaction of Engineer-in-charge all as specified and directed.

De-assembling of submersible pump assembly of cap 55 HP Make-KSB, for repair by replacing of company recomended parts of Mechanical seal - 2 Nos, CI impeller - 1 No, Lower Bearing - 1 No, O Ring - 1 No, Spiral plate - 1 No, Compay recomended Lubriucating oil - 7 Ltrs, Moisture sensor including bolts, nuts and washers, re-assembling the same and comisioning & testing complete all as specified and directed.

ALBA AC AND REF SERVICES

SATISH ELECTRICALS