O AND M TO WENA WATER SUPPLY SCHEME, TAH.NAGPUR, DIST.NAGPUR

Subwork No. 1: Providing of Man Power to run the scheme

Item No.1 :- Providing, engaging, and employing necessary skilled and unskilled labour for day-to-day operation, maintenance, and management of the entire Wena Water Supply Scheme. The scope includes regular operation of pumps at head works, complete operation of the Water Treatment Plant (WTP) and pump house, maintaining proper pre- and post-chlorination, safe handling and replacement of chlorine cylinders, and ensuring uninterrupted water supply up to consumer water meter points, as per standard specifications and instructions of the Engineer-in-charge. The manpower to be deployed shall include Engineers, Vigilance supervisor, Pump Operators, WTP Operators, Electrician, Chemist, Valve Men, Helpers, and other supporting staff as required for smooth functioning of the system. The scope also covers all shifts, routine maintenance, preventive upkeep, cleaning of WTP, pump houses, and allied facilities, as well as operational monitoring to ensure treated water is delivered in compliance with prescribed water quality norms. The item excludes cost of chemicals and electricity charges. All works shall be executed strictly as per approved procedures and in a complete manner to the satisfaction and directions of the Engineer-in-charge.

Manpower 1. Pump Operator - At Head Works

2. Pump Operator - At Triloknagar, Purushottam Nagar, Tekawadi

3. Helper at Head Works

4. Filter Operator - At WTP

5. Helper cum Asst. Fitter - At WTP

6. Chemist - At WTP

7. Valve men for Distribution System

8. Electrician for all Mechanical / Electrical Works

9. Vigilance Supervisor

10. Computer Operator

Item No. 2 :- Making monthly cleaning of Jackwell Pump House and Water Treatment Plant (WTP) premises, including both indoor and outdoor areas, by deploying heavy mazdoor/labour; the work includes thorough sweeping, washing, and removal of dirt, sludge, and waste materials from pump house floors and surrounding areas, grass cutting and disposal within the compound, road and pathway cleaning, trimming and cutting of overgrown tree branches obstructing movement or visibility, and overall upkeep of the premises to maintain cleanliness and hygiene standards – complete in all respects as directed by the Engineer-in-Charge.

Item No. 3 :- Provision for Zadu, Cleaning Powder, Brushes, stainless steel Buckets, mugs, tea cup set, Rope, binding wire, Manual screen etc complete.

Subwork No. 2: Rectification of Leakage on various type of pipe lines

Item No.1 : Labour charges for leakage repair in existing pipeline of AC/DI/CI/PVC/HDPE, including dewatering, laying of pipe piece & spacials, cutting of pipe, necessary tools and tackles, safety measures, barricading, lighting arrangement and traffic management, refilling etc., complete as directed by the site engineer, but excluding the cost of pipes, specials, joints, etc., for the following diameters. (Note: Excavation for Earthwork shall be measured and paid separately)

For 80 to 200 mm diameter CI/DI pipe

For 250 to 500 mm diameter CI / DI pipes

For 75 to 200 mm diameter HDPE / PVC Pipes

For 225 to 315 mm diameter HDPE / PVC Pipes

For 21" Dia old C.I Pipeline

For 30" Dia old C.I Pipeline

For 800 mm Dia MS Pipeline

Item No.2 : Excavation for foundation / pipe trenches in hard murum and bolders, WBM Road including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding back filling, etc. complete.

Lift 1 To 1.5 M

Lift 1.5 To 2.0 M

Item No.3 : Excavation for foundation / pipe trenches in hard rock and concrete road by chiselling, wedging, line drilling, by mechanical means or by all means other than blasting including trimming and evelling the bed, removing the excavated material upto a distance of 50 metres beyond the area and lifts as below, stacking as directed by Engineer-in-charge, normal dewatering, excluding backfilling, etc. complete by all means.

Lift 1 To 1.5 M

Item No.4 : Excavation for foundation / pipe trenches in hard rock and concrete road by chiselling, wedging, line drilling, by mechanical means or by all means other than blasting including trimming and evelling the bed, removing the excavated material upto a distance of 50 metres beyond the area and lifts as below, stacking as directed by Engineer-in-charge, normal dewatering, excluding backfilling, etc. complete by all means.

Provision for Leakage Repair For 100 mm dia DI K-7 pipe

For 150 mm dia DI K-7 pipe

For 250 mm dia DI K-7 pipe

Item No.5 : Excavation for foundation / pipe trenches in hard rock and concrete road by chiselling, wedging, line drilling, by mechanical means or by all means other than blasting including trimming and evelling the bed, removing the excavated material upto a distance of 50 metres beyond the area and lifts as below, stacking as directed by Engineer-in-charge, normal dewatering, excluding backfilling, etc. complete by all means.

Provision for Leakage Repair 75 mm dia PVC pipe 4kg/cm2

90 mm dia PVC pipe 4kg/cm2

110 mm dia PVC pipe 4kg/cm2

For Replacement of Chockage Pipe with laying of New Pipe 75 mm dia PVC pipe 4kg/cm2

90 mm dia PVC pipe 4kg/cm2

110 mm dia PVC pipe 4kg/cm2

Item No.6 : Lowering, laying and jointing with P.V.C. pipes and specials of following class and diameter including cost of conveyance from stores to site of works including cost of all labour, material, except cement solvent, rubber ring, as per IS code, etc. complete (with cementsolvent joint / ring fit joint). Note: For PVC O pipes of all pressure 4 (b) rates applied.

For Replacement of Chockage Pipe with laying of New Pipe 75 mm dia PVC pipe 4kg/cm2

90 mm dia PVC pipe 4kg/cm2

110 mm dia PVC pipe 4kg/cm2

Item No.7 :Providing and supplying in standard lengths Polyethelene Pipes, confirming to IS 4984 / 14151 / 12786 / 13488 with nesessary jointing material like mechanical connector i. e. thread / insert joint / quick release coupler joint / compression fitting joint or flanged joint excluding coupler/specials, including transportation and freight charges, inspection charges, loading / unloading charges, conveyance to the departmental stores & stacking the same in closed shade duly protecting from sunrays & rains, excluding GST levied by GI & GOM in all respect etc. complete.

Provision for Leakage Repair For 90 mm dia HDPE 6 kg per sqcm

For 110 mm dia HDPE 6 kg per sqcm

For 125 mm dia HDPE 6 kg per sqcm

For 140 mm dia HDPE 6 kg per sqcm

For 160 mm dia HDPE 6 kg per sqcm

For 180 mm dia HDPE 6 kg per sqcm

For 200 mm dia HDPE 6 kg per sqcm

For 225 mm dia HDPE 6 kg per sqcm

For 250 mm dia HDPE 6 kg per sqcm

For 280 mm dia HDPE 6 kg per sqcm

For 315 mm dia HDPE 6 kg per sqcm

For Replacement of Chockage Pipe with laying of New Pipe For 90 mm dia HDPE 6 kg per sqcm

For 110 mm dia HDPE 6 kg per sqcm

For 125 mm dia HDPE 6 kg per sqcm

For 140 mm dia HDPE 6 kg per sqcm

Item No.8 :- Lowering, Laying and Jointing H. D. P. E./M. D. P. E. pipes in proper position including all specials by compression fitting/electrofusion and butt fusion jointing procedure as per relevent IS Code complete with all materials for jointing procedure like Electrofusion machine, Electric heater/butt fusion welding machine with hydraulic jack, top loading clamp etc. and all labours as directed by engineer in charge as per IS-7634 Part II

For Replacement of Chockage Pipe with laying of New Pipe For 90 mm dia HDPE 6 kg per sqcm

For 110 mm dia HDPE 6 kg per sqcm

For 125 mm dia HDPE 6 kg per sqcm

For 140 mm dia HDPE 6 kg per sqcm

Item No.9 :- Providing & Supply of Electro Fusion Fittings in accordance with BS EN12201: Part-3 suitable for drinking water with in black/ blue colour manufactured from compounded PE80/ PE100 virgin polymer and compatible with PE80/PE100 pipes, in pressure rating SDR11 with min PN12.5 rated for water application and shall be inclusive of all cost such as testing, inspection charges, transportation up to store, transit insurance, loading, unloading, stacking excluding GST levied by GOI & GOM in all respect, etc. complete.

For Electro fuision Specials (Note: Payment Shall be made as per actual consumtion of specials as per the rate list attached in tender)

Item No.10 :- Providing and supplying in standard length rigid and unplasticised PVC specials including all taxes, transportation upto site etc. complete

PVC Specials (Note: Payment Shall be made as per actual consumtion of specials as per the rate list attached in tender)

Item No.11 :- Providing and supplying ISI standard D. I. specials & fitting with sealing rubber gasket of S.B.R,complete with cast iron follower gland and M. S. nut bolts coated or otherwise protected from rusting and suitable for D.I.pipes including cost of labour, materials, and transportation to stores, loading and unloading excluding GST levied by GOI & GOM in all respect etc. complete as per IS-9523.

Provision For all types of specials, bends, tees etc 80 to 300 mm dia

Above 300 mm dia

Item No.12 :- Providing and supplying ISI standard MS specials of required thickness with 3 coats of approved make epoxy paint (Shalimar, Ciba or Mahindra & Mahindra make) from inside and outside excluding GST levied by GOI & GOM in all respect including inspection charges, transportation to stores and stacking, etc. complete.

For MS Flange

For Double flange spacials of all diameter, plain ended specials

Item No.13 :- Supply of C. I. Mechanical Compression Flanged / Socket Tailpiece (Popularly known as I TM Flanged / Socket Tailpiece) suitable for making flanged connection with the plain barrel of C. I. Spun Pipes ( as per - IS - 1536 /2001) and D. I. Pipes ( as per IS: 8329 / 2000).The Tailpiec to be supplied complete with sealing rubber gasket of S.B.R, C.I. Follower Glands and M.S. Nut Bolts.The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS:1538 /1993. The rates are inclusive of cost of material, freight charges, loading, transportation and unloading at departemental store, excluding GST levied by Gol and GoM in all respect, etc. complete as directed.

For Leakage Repair, Sluice Valve Installation 80 mm

Item No.14 :- Supply of C. I. Mechanical Compression Collar Coupling suitable for C. I. Spun Pipes ( as per - IS - 1536 /2001) and complete with sealing rubber gasket of SBR,.C.I. follower Glands and M.S. nut Bolts.The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS:1538 /1993.

For Leakage repairs 80 mm

Item No.15 :- Providing MS wrap-around Clamp for reparing Pipeline leakages in wet or dry condition for pipes of all classes including cost of all jointing materials (rubber packing, nut bolts, etc.), labour, testing, manufacturing as per Engineer in charge, etc.complete.

For 12 inch MS Wrap around Clamp 90 mm dia

100 mm dia

110 mm dia

125 mm dia

140 mm dia

150 mm dia

160 mm dia

180 mm dia

200 mm dia

225 mm dia

250 mm dia

280 mm dia

300 mm dia

315 mm dia

500 mm dia

For 18 inch MS Wrap around Clamp 90 mm dia

100 mm dia

110 mm dia

125 mm dia

140 mm dia

150 mm dia

160 mm dia

180 mm dia

200 mm dia

225 mm dia

250 mm dia

280 mm dia

300 mm dia

315 mm dia

500 mm dia

Item No.16 :- Making cross connection to existing distribution main of any type including excavation, breaking and removing exiting pipes, lowering, laying of specials and pipes in their position, refilling, closing the water supply in that area, dewatering and restarting the water supply, etc. complete as directed by Engineer-in-charge for following diameters of existing pipeline, irrespective of diameter of branch line (the number of joints involved will be paid separately depending upon the nature of joints and required pipes, valves and specials will be supplied free of cost at stores).

For Replacement of Chockage Pipe with laying of New Pipe 80 mm

Item No.17 :- Providing and fixing in position and jointing high performance C. I. Air valves for water combination type ( Kinetic air valve along with automatic air valves ) double ball, double orifice with stainless steel ball, tamper proof air vents rolling seal mechanism for air release and anti vacuum application designed for 16 Kg. Per sq. cm. working pressure and tested for 20 for kg per sq. cm. pressure. ( Rate to include cost of gaskets, bolt, nut and any other material required for jointing and its transportation etc. excluding GST levied by GOI & GOM in all respect.

C. I. ARV FLFF PN 1.6, 80mm Dia. In distribution

C. I. ARV FLFF PN 1.6, 100mm Dia. At ESR outlets

Item No.18 :- Providing and supplying at site of ductile iron / spheroidal graphite (S.G.) iron D/F non-rising spindle resilient seated glandless sluice valves with handwheel & without bypass arrangement. Valves in accordance with BS 5163 of PN-10/ 16 rated, with body and bonnet of ductile iron confirming to IS 1865 Gr. 500/7 or Gr.400/ 15. Wedge fully encapsulated WRAS approved EPDM rubber (approved for drinking water), Wedge nutof brass, shaft of stainless steel1.4021/1.4104, stem seals min. 3 nos. of NBR, internal fasteners of stainless steel A2. Body & Bonnet coated inside & outside with electrostatically applied epoxy powder coated blue colour (suitable for drinking water) as per DIN 30677-2 & GSK guidelines with a coating thickness of min. 250 microns. Valves should be full bore & tight shut-off. Flange drilling as per IS 1538 raised face & pressure testing at manufactures works shall be done as per IS 14846. including transportation charges excluding GST levied by GOI & GOM in all respect etc. complete. (For PN 10)

Sluice Valve DIDF Gland less P.N. 1.0, without bypass 80 mm dia

100 mm. dia

150 mm. dia

200 mm. dia

250 mm. dia

300 mm. dia

Item No.19 :- Providing and supplying at site of ductile iron /spheroidal graphite (S.G.) iron D/F double eccentric resilient seated short body butterfly valves with gear box & handwheel, without bypass arrangement. Valves in accordance with BS EN 593 of PN 10/16 rated, with body & disc of ductile iron confirming to EN 1563/IS 1865 Gr.500/7 or Gr.400/15, Body seat of intergral SG Iron/S.S. AISI 316, seal retaining ring of steel C45/S.S. 1.4436, Shaft of S.S. 1.4021, Periferial disc seal and “O” rings of WRAS approved EPDM rubber (suitable for drinking water), Internal fasteners of stainless steel A2. Body & disc coated inside & outside with electrostatically applied epoxy powder coated blue colour. (suitable for drinking water.) as per DIN 30677- 2 & GSK guidelines with a coating thickness of min. 250 microns. Valves should be 100% tight shutoff. Face to face is per IS 13095 short body. Flange drilling as per IS 1538 raised face & pressure testing at manufactures works shall be done as per IS 13095. including transportation charges excluding GST levied by GOI & GOM in all respect etc. complete.

Butterfly valve DI DF Double Eccentric 200 mm. dia

250 mm. dia

300 mm. dia

400 mm dia

500 mm dia

Item No.20 :- Lowering, laying and jointing in position following C.I.D/F Reflex valves, Butterfly valves and Sluice valves including cost of all labour jointing material, including nut bolts and giving satisfactory hydraulic testing etc. complete.

100 mm. dia

150 mm. dia

200 mm. dia

250 mm. dia

300 mm. dia

400 mm dia

500 mm dia

100 mm dia

Months

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