Construction of a One Lakh Litre OHT and Open well at Vekkalimoodu in Ponmanai Town Panchayat

Amount

Construction of Open well - 1No,Electro mechanical equipments for Open well,Construction of OHT 1.00LL with 12.00m staging height and Pumping main of appr 300.00m DI (K7) Soft disintegratedrock,laterite,soft rock or kankar,not requiring blasting First depth of 0 - 2 m

2nd depth of 2 - 4 m

Medium Rock and Dense Medium Rock not requiring blasting 2nd depth of 2 - 4 m

3rd depth of 4 - 6 m depth

Hard rockmeasured blasting in solid including blasting and stacking 4th depth of 6 - 8m

5th depth of 8 - 10 m

6th depth of 10 - 12 m

Supplying and fixing in position SFRC.Manhole covers (heavy duty) of 60 X 60cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete.

Supply and fixing of PVC mould CI Steps for inside the Inf.well

Labour charges for Painting dept Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint, scaffolding charges including painting NRDWP Logo on the Inf Well

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to three phase, 50Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP , Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation with lifting arrangement as directed Engineer Incharge 600 lpm against a total head of 40 m

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days. 5.00HP

Supply, delivery, erection, testing and commissioning of following sizes of power shunt capacitor for power factor improvement, suitable to operate on 415V, 3Ph,50Hz A/C supply, on suitable angle iron frame-works (37.5 mm x 37.5 mm x 6.24mm ) at a height of 0.25m from the ground, including earthing and incidental civil works etc., complete. 3 kVAR

Supplying and fixing of following capacity Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete as per TANGEDCO which includes LT meter panel board PLUG AND SOCKETS IN SHEET STEEL ENCLOSURE WITHOUT MCBs - HIGHER END 63 Amps

Supplying and fixing of following capacity Triple Pole SFU with fuses on suitable angle iron frame with earth connection only. 63 Amps

Supplying and laying following LTUG cables in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed. DO - 3 ½ core 50 sq.mm. for PS(Incomer)

DO - 4 core 6 sq.mm - Panel to Starter (PS)

DO - 4 core 6 sq.mm - Starter to Junction Box (PS)

Supplying and fixing of cable gland and termination with Aluminium cable lugs for following PVC UG cable and with earth connection DO - 3 ½ core 50 sq.mm.

DO - 4 core 4 sq.mm

Supply delivery and fixing of out door weather proof junction box fabricated in MS sheet steel (12 SWG for front 14 SWG for other sides) near the suction well for terminating the Pump power cable and control cable on an angle iron frame at convenient height for working and above the local MFL with provision for terminal block & earthing as per IS including incidental civil works etc.,complete. Up to 20 HP

Supply, delivery and erection of Three Phase 4 way 32 Amps, 10kA LDB with the following: 1 No of 40 A FP isolator for incoming supply 3 Nos. of 16A, DP RCCB 3 Nos. of 16A, SP MCB 1 No of 16A, DP MCB 3 Nos of 6A, DP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

Supply and run of 2 of 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable heavy gauge MS conduit pipe concealed in wall and ceiling with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe concealed in wall and ceiling with MS accessories with MS switch box in flush with wall with 5A FT switch with 3mm thick hylem sheet cover MS switch box with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion for concealed light point / fan point (for electronic regulator) Light points - 2Nos + Fan Points - 1 Nos

Lighting Fixtures Supply and installation of 240 V - 1 x 20 W LED TL fitting box type with enamelled reflector complete with all accessories - suitable for wall mounting or roof mounting on conduit tube.

Supplying and fixing of 18" sweep AC exhaust fan complete including providing necessary opening in the wall.

Supply and fixing of 48" sweep AC ceiling fan complete with regulator with including 1.00m down rod (stem pipe) including supplying and fixing of fan clamp with side plates and cross arms

Supply and delivery of AC Chargeable Emergency Lamp 2 x 11W PL Lamp with all connected accessoriesetc.,complete.

TWIN CI EARTHING as per IS 3043/1987 and Latest amendments Upto 55 HP installation (Above 25-60 HP)

Specials Supply & delivery of following DUCTILE IRON SPECIALS AS PER IS 9523/2000 for valve in the distribution system as per IS standards a.100 x 150 mm D/F taper - 2Nos b.150 x 150 mm Flange Equal tee - 2Nos c.150 mm D/F 90o Bend - 2Nos d.150 mm dia CI blank flange - 1No

Supply and erection of DuctileIron class PN - 10 flanged pipes as per IS 8329/2000 100mm dia DI D/F pipe of length each 2.00m long

150 mm dia DI D/F pipe of length each 2.00m long

DI Non - Return Valve Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or GGG 50 and disc of ductile cast iron GGG 40 or GGG 50 with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P) it is a resi-coat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty 150 mm dia DI non-return valve

DI SINGLE CHAMBER AIR RELEASE VALVE Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty 100mm Double Air valve

Earthwork excavation in all soils and sub soils except hard rock requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10- 1m3 For Foundation 0-2.00m below GL

Soft Disintegrated Rock not requiring blasting 0-2.00m below GL

Filling with clean crushed stone dust complying with standard specification including watering ramming and consolidation etc.,complete and as directed by dept officers.

Plain cement concrete Using 1:4:8 mix ( One cement , four Crushed Stone Sand and Eight aggregates) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 400Kg/ cum and maximum water cement ratio of 0.45 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separate payment will be made by the Department for the excess usage of materials) Reinforced Cement Concrete using Design Mix of M30 using Machine crushed HBG stone for the following members excluding the cost of reinforcement and fabricating,centering, shuttering and strutting charges but including the cost of all materials, mixing, placing in position,lifting, vibrating, finishing & curing,etc. complete.and as directed by dept officers. Beyond 1.50 m and upto 4.50m below GL

Upto 1.50 m below GL

Below GL 1.50 to 4.50 m depth

Below GL 4.50 to 9.00 m depth

0.00m to 4.50 m above GL

4.50m to 7.32 m above GL

7..32m to 10.98 m above GL

10.98m to 14.64 m above GL

Supply and erection of steel centering,shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG 10 stiffened with MS angle of size 25 X 25 X 3mm for boarding laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm - 13cm spaced at 75cm c/c etc.,complete and as directed by dept officers. Plane surface 0.00 to 3.30m above GL

03.30m to 04.30m above GL at Braces of 3.65m

07.30m to 08.30m above GL

Circular Columns 00.00m to 03.30m

Square Columns 00.00m to 03.30m

Curved Surface 0-3.30 m above GL &below GL

3.30 to 4.30m below GL

4.30 to 5.30m below GL

5.30 to 6.30m below GL

Centering curved surface 11.30m to 12.30m

Centering curved surface 0.00m to 03.30m

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer-in-charge

Painting two coats with ready mixed Plastic Emulsion Paint S.I.358 Plastic emulison paint of'approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials and all labour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No:66-A (Sl.No.358)

Construction of RCC spiral staircase in RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS of 1.80 m diameter of required height for approach to the roof of Service Reservoir with RCC Handrails including earthwork excavation, providing CC 1:4:8 mix, RCC footing 1:1.5:3 mix, GL platform etc., and also including cost of steel reinforcement, fabrication charges, scaffolding, centering, precasting charges, cement, painting etc. complete as per standard specifications and as directed by Engineer. The staircase shall be braced to the column of service reservoir at suitable interval. (in the BOQ, quantity column the exact height to be mentioned from GL to roof slab bottom to get total value of work to be done.

Supplying and fixing in position of RCC (1:1.5:3) in side access ladder of 3.57m length using 20mm size HBS jelly including cost of all materials, centring, shuttering,strutting, fabrication and placing in position of reinforcement, finishing, curing etc. complete and as directed by dept officers.

Providing and fixing of RCC Ventilator 1:1.5:3 (one cement, one and half sand and three course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete - 0.30m dia Data

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.37 x 0.30 x 0.15m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

Supply and fixing in position of enamel water level indicator with all accessories of approved pattern and design etc., complete as per standard specifications and as directed by Engineer-in-charge

Supplying and fixing of RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including the cost of reinforcement, centering, precasting, finishing etc complete

Conducting load test for ascertaining the SBC of the soil.Rate including labour and material cost etc., completeas directed by departmental Engineer.

Refilling the foundation with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification and as directed by departmental Engineer.

Supply and delivery of the following dia of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron ofGrade GGG 40 or equivalent grade,Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 ORing protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 4846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application withpressure rating PN 10/16. 100mm dia DI Valves

150mm dia DI Sluice valve

Providing pipe connection by lifting pipes and specials in vertical direction and placing the same for required alignment including lifting the pipes and specials in various heights of inlet, outlet, overflow and scour including earthwork excavation conveying the pipe and specials into the trenches, laying to proper grade and alignment cutting, threading and jointing with jointing materials with required specification including labour charges and supply of valves pipes, specials MS Clamps to fix the pipes with the columns including all taxes duties and connected charges etc. complete and taxes duties and connected charges etc. complete and as directed by Engineer incharge. Vertical laying up to 2m ht. from G.L.

Vertical laying from 2m to 4m.

Vertical laying from 4m to 6m

Vertical laying from 6m to 8m

Vertical laying from 8m to 10m

Vertical laying from 10m to 12.

Vertical laying from 12m to 14m

Vertical laying from 14m to 16m

Vertical laying from 16m to 18m

Vertical laying from 18m to 19.50 m

Construction of Brick work valve Chamber with M20 Grade concrete . The rate should include earth work excavation in various soils met with at the site of work, refilling the pit after the construction of the pit, PCC M10 for Blinding Concrete, Brick work in CM 1:5 and plastering with CM 1:5 - 12mm thick, cost of steel reinforcement fabrication charges, Cover slab with manhole cover etc., and fixing the valves in position inside the pit including laying, jointing of valves, HDPE pipes and specials including the cost of jointing materials such as bolts and nuts RI sheets washers etc., complete and as directed by the departmental Engineer Valve Chamber size (inner) - 1.00mx1.00mx1.50m Data

Supplying of DI K7 Pipes of following dia , conforming to IS 8329-2000 including all local and central taxes , transportation, freight charges, loading and unloading, conveyance to site and stacking the same, cost of all labour, material & etc complete. 150 mm Dia DI K7

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc.,cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years 100 mm dia DI air valve

DI Pressure Sustaining / Relief Valve (PN10/16) with the function to relieve excess pressure in the downstream pressure to set point irrespective of upstream fluctuations. The downstream pressure set point can be changed as per the requirement. “Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Pressure Sustaining / Relief valve with cast body of ductile iron grade GGG-40 or GGG-50 as per IS 3896-Part-2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. 2 pressure gauges for operator-friendly control to determine the actual inlet and outlet pressure connected directly to the valve. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270.(EP-P)/ WRAS & NSF.” Pilot valve system having Stainless Steel / Brass fittings with spring of stainless steel 304 as per standard parts according to DIN EN 12 266-1 with all the external control tubing of SS 304/ Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self-cleaning filter to avoid possibility of dirt build up inside the control tubing and with 5 years warranty PWD SoR of V - II of P.No - 72 100mm dia

Earthwork excavation Earthwork - Excavating and storingg on bank with an initial lead of 10 m and initial lift of 2 m in trenches for laying of pipes etc. all complete as per standard specifications and as directed by the Departmental Engineer. Ordinary Soil - such as Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil etc., 150 mm Dia DI K7

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm diareflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Dept officers.

Lowering of DI pipes and specials carefully into the trench and laying to proper grade and alignment including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by the Departmental Engineer. PWD SoR Vol - II of P.No - 160 150 mm Dia DI K7

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials ) PWD SoR Vol - II of P.No - 164 150 mm Dia DI K7

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes. 150 mm Dia DI K7

Refilling or backfilling trenches with excavated soil after pipe laying in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Departmental Engineer. 150 mm Dia DI K7

Disposal of surplus earth including loading & unloading, conveyance within a distance of 5 Km and spreading as directed by the Engineer in Charge.

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.