MAINTENANCE AND OPERATION OF WATER SUPPLY INSTALLATIONS AT ICGS MALKAPURAM VISAKHAPATNAM UNDER AGE I CG VIZAG

Amount

M & L for cleaning of UG Sump of 100000/150000 Litre capacity at CG Enclave by pumping out the accumulated water at the bottom and removing the complete silt from the sump and depositingand levelling as directed and the cleaning the sump with bleaching powder and wire bursh after scrapping the walls and bottom of the sump completely without disturbing the water supply to the area inlcuding painting the details such as sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire sump internally complete all as directed by Engr-in-charge.

M & L for cleaning of UG Sump of 50000 Litre capacity at CG Enclave by pumping out the accumulated water at the bottom and removing the complete silt from the sump and depositingand levelling as directed and the cleaning the sump with bleaching powder and wire bursh after scrapping the walls and bottom of the sump completely without disturbing the water supply to the area inlcuding painting the details such as sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire sump internally complete all as directed by Engr-in-charge.

M & L for cleaning of UG Sump of 30000 Litre capacity at CG Enclave by pumping out the accumulated water at the bottom and removing the complete silt from the sump and depositingand levelling as directed and the cleaning the sump with bleaching powder and wire bursh after scrapping the walls and bottom of the sump completely without disturbing the water supply to the area inlcuding painting the details sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire sump internally complete all as directed by Engr-in-charge.

Material and labour for repairing of water supply water starter panel board internally ,detecting fault in control wiring,contractor,relay,time delay and connecting block including replacement of worn out spare parts with new items as per existing make and specification,testng and commisioning with entire satisfaction of Engr-in-charge and applying two coats of synthetic enamelled paint after srubbing and cleaning the surfaces including its rewiring and replacement of defective appliances with new parts and testing complete. (Notes : Spare parts shall be Measured & Paid separately under relevant supply only items)

Supply only following items:-

(a) Contactor ML-3 / ML-4, 450 Volts

(b) DOL Stater suitable for 10-7.5 HP

(c) indicating lamp (set of 3)

(d) Single phase preventor

(e) Ameter 0-100Amps with suitable CTs

(f) Voltmeter 0-500 volts with suitable PTs

(g) Relay 30-40 Amp

(h) Timer for starter

(k) Copper conductor flexiblewire 40/0.0076

(l) Frequeny meter 50Hz

(m) MCCB 250 Amps 4 Pole 36 KA adjustabble type for earth fault and overload current.

S&F sluice valve heavy duty both ends flanged class PN-I.6, ISI marked with stainless steel spindle, cast iron hand operated wheel& cap top nuts, bolts , washers including 6 mm thick rubber gasket joint and taking out existing sluice valve 100 mm bore

S&F sluice valve heavy duty both ends flanged class PN-I.0, ISI marked with stainless steel spindle, cast iron hand operated wheel& cap top nuts, bolts , washers including 6 mm thick rubber gasket joint and taking out existing sluice valve 80 mm bore

S&F gun metal globe or gate valves, with iron wheel head (ISI marked ) screwed both ends fixed in repairs complete for following sizes:-

50 mm bore

40 mm bore

25 mm bore

20mmbore

15mm bore

S & F Ball brass valves 20 mm,high pressure,with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed

S & F in repairs MCCB of 200 Amps and supply and fixing 4 pole MCCB 200 Amps 50 Hz, 415V, adjustable with thermal magnetic release and rupturing capacity 36 KA all as directed. Make: L&T/Havells/C&S/ SCHNEIDER / Indoasian

S & F in repairs MCCB of 63Amps and supply and fixing 4 pole MCCB 200 Amps 50 Hz, 415V, adjustable with thermal magnetic release and rupturing capacity 25 KA all as directed. Make: L&T/Havells/C&S/ SCHNEIDER / Indoasian

Supply and lay in replacement GI tubes light grade galvanised with all fittings laid in trenches etc for protection of cable of following sizes all as directed: Make :Tata / Jindal

50 mm Dia bore

80 mm Dia bore

100 mm Dia bore

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified for following sizes :

40 mm Dia bore

50 mm Dia bore

Supply and lay 3 layer (inner antimicrobial, outer UV stabilized) ISI marked, IS-15801, PP R pipes SDR 7.4 (PN-10) and PP-R plain fititngs in trenches/walls/cellings or laying in floors complete of size outer dia including taking down old pipes of following sizes:

110 mm Dia bore

80 mm Dia bore

50 mm Dia bore

40 mm Dia bore

25 mm Dia bore

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying of cables,tubes, foundation of poles etc and getting out in soft/loose soil. Complete all as specified and directed.

Returning, filling in including spreading levelling watering and well ramming in layers not exc 25cm in any type of soil all as directed.

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

S & F in repairs Cast Iron Foot valve of following size all as directed by Engir-in-charge . (Make: Kirloskar/Upadhaya)

80 mm dia

100 mm dia

Supply and fixing in repairs Pressure Booster Pump of 1 HP single phase including Pressure Pumps and Air Vessal including making foundation with Nut Bolts and Shed Made of Galvanium sheet not less the 1 mm thick and its support complete all as specified and as directed.

Supply and fixing in repairs Automatic Water level controller suitable up to 3 HP sebmersible Pump/Booster Pump with 25%, 50%, 75% and 100 % water sensor provision inside tank and automatic operation of pumps with the provision of automatic pumps start and automatic pumps stop when it reach at 100% with connecting cable of 4sqmm copper cable not less than 50 meter for over head tank to starter and connecting control cable suitably provide not less that 6 sqmm complete with its control with the provision of Contactor and relay of adequate capacity including connected items for its control and sensing all as specified and as directed. Make-Southern/sheco/RS

Dismantling damage and broken valve chamber of size 1200x1200x900mm including U/S rusted MS cover complete without disturbing the existing pipe lines valves and provide valve chamber including necessary earth work in any type of soil PCC 1:1.5:3 in base concrete brick work in CM (1:6) with 10mm thick plaster internally and 15mm thick externally in CM (1:4) 6mm thick MS sheet cover with hinges and locking arrangements fixed to angle iron frame made out of 50 x50x6mm MS complete with 2 coat of synthatic enameled paint over a coat of red oxied on all steel work and 2 coats of white washing on plastered surface of valve chamber of any sizes complete all as specified and as directed by Engr - in- charge.

Dismantling damage and broken valve chamber of size 450x450x450mm including U/S rusted MS cover complete without disturbing the existing pipe lines valves and provide valve chamber including necessary earth work in any type of soil PCC 1:1.5:3 in base concrete brick work in CM (1:6) with 10mm thick plaster internally and 15mm thick externally in CM (1:4) 6mm thick MS sheet cover with hinges and locking arrangements fixed to angle iron frame made out of 50x50x6mm MS complete with 2 coat of synthatic enameled paint over a coat of red oxied on all steel work and 2 coats of white washing on plastered surface of valve chamber of any sizes complete all as specified and as directed by Engr - in- charge.

Material labour and services for taking sample water in sterlised bottles from UG Sump / OH Resorvier for Analysis of water for the following parameters and obtaining sample test report from Govt Recognized Laboratories: (i) Physio Chemical Analysis of Water (Colour, odour, pH Total solids, Dissolved Solids, Permanent hardness, temporary Hardness, Ammonia feree and salinbe, Ammonia Albuminoidal, Nitrites, Nitreates, Oxygen absorption at 15 Min, Iron, Fluoride) (ii) Microbiological Analysis (Totral Choliforms, Eschirrchea Coli) Note: 1. A certificate of approval / certification of Lab by Govt of India / State Govt. shall be submitted by the contractor to the deptt. 2. Sample shall be submitted to the Laboratory with in 24 Hrs of collection of Sample.

M&L for provn of Earthing complete with M.S. galvanized earth plate E electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not lessthan 2.25 M deep below normal GL) with top edge of the plate not less than 1.5M below normal GL, connected to Galvanized earth strip 32x6mm upto7.5 mtr with protection pipe by means of bolts, nuts, check nuts & washers ofGI or steel incl excavation, PCC (1:3:6) type C-1 chamber with RCC cover (1:2:4) type B0, 40 mm thick reinforced with 6 mm dia bar, 3 Nos. both way,40mm dia light grade GI protection pipe, funnel with wire mesh,watering pipe of size 20 mm dia med. grade, lugs, main Earthing lead upto 7.5 mtr 2009 specification.incl. Charcoal dust, salt etc. all as shown in electrical plate No. 5 of SSR Pt-I

Supply, fixing in repairs and testing submersible cable PVC insulated R heavy duty electric cable 6 Sqmm 3core screened pvc bedded with aluminium conductor 1100 v grade laid in unserviceable cable complete all as specified and directed

Supply, fixing in repairs and testing submersible cable PVC insulated R heavy duty electric cable 4 Sqmm 3core screened pvc bedded with aluminium conductor 1100 v grade laid in unserviceable cable complete all as specified and as directed

M/S SRI VENKATA BHAVANI CONSTRUCTIONS

SRI DHANESWARI ENGINEERING WORKS

GS ENGINEERS

K KUMAR RAJA PROJECTS P LIMITED

K SATYANARAYANA ENTERPRISES