Laying of DI Pipe Line from Summer Drinking Water Reservoir to Foothills in Palani Municipality

Amount

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers - Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B Twad 2022 -23 Pg No :295 First Depth 0 - 2.0 m

Earth work excavation for Pipe Laying work by removing dense medium rock using controlled blasting method by drilling blast holes using compressor and jack hammer including dewatering wherever necessary, cost of gelatin, electric detonator, licensed shot fireman, labour for filling earth in gunny bags, labour for excavation of earth, conveyance of earth including cost of gunny bags, M.S Plates, barricading, putting up road diversion boards and providing red light signal during night, removal of debris etc., where open blasting is prohibited and as directed by TWAD Board Twad 2022 -23 Pg No :295

Supply and Delivery DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 Twad 2022 -23 Pg No :46 450mm diameter

supply and delivery of C.I. SPUN PIPES AS PER IS 1536/2001 inculding cost of materials and conveyance charges etc completed of the standard specification

Supply and Delivery DUCTILE IRON SPECIALS AS PER IS 9523/2000 inculding cost of materials and conveyance charges etc completed of the standard specificationTwad 2022 -23 Pg No :52 For DI 450mm - 90 Deg D/S DI Bend

450mm - 45 Deg D/S DI Bend

450mm - 22 1/2 Deg D/S DI Bend

450mm x450mm - A/S DI Tee

450x250mm D/S DI Reducer

For CI 450mm - 90 Deg D/S CI Bend

450mm - 45 Deg D/S CI Bend

450mm - 22 1/2 Deg D/S CI Bend

Supply, Delivery and fixing of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage, inside and outside color Blue including Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc. complete as per specifications. All the valves are to be compatible for burried application with pressure rating PN 10/16.Twad 2022 -23 Pg No :65 For isolation/Control 450mm diameter

Manufacture, Supply and Delivery of Tamper proof C.I. DOUBLE AIR VALVE AS PER ISI 14845/2000 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 and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete Twad 2022 -23 Pg No :67 100 mm Valve in 450 mm Main

Supply and delivery of DI D/F specials of conforming to IS 9523/2000 specifications at site of work including all taxes, duties, loading, transportation, unloading, insurance etc., complete and as directed by Engineer incharge.Twad 2022 -23 Pg No :52 450 mm Flanged Socket Tail Piece

450 mm Flanged Spigot Tail Piece

450 mm MJCollar Twad Sor Pg 96

450 x 450 x 250mm DI D/S Tee with Flange

150 mm x 2.75 M F/SPT PIPE

150mm DUCKFOOT BEND

150mm X 0.75 M D/F PIPE

150 mm x 1 M D/F PIPE

150 mm 90 deg bend

450 x 100 mm DI D/S Tee with Flange

100 mm X 0.75 M D/F PIPE

80 mm X 0.75 M D/F PIPE

Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow.The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. 450mm diameter Twad 2022 -23 Pg No :87

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.Twad 2022 -23 Pg No :259 450mm diameter

Lowering of C.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.450mm diameter

Cutting of CI and DI pipes and specials true to axis and filing smoothly and finishing the ends complete, with / without water in the pipe including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by Departmental Engineer.Twad 2022 -23 Pg No :271 . 450mm diameter

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)Twad 2022 -23 Pg No :262 450mm diameter

Testing of M.S. / C.I. / D.I / P.V.C. /D.W,C, pipes with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) 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 diameters of pipes.Twad 2022 -23 Pg No :270 450mm diameter

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus-stand and in the Highways 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 two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors 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 TWAD Board officers. Twad 2022 -23 Pg No :323

Construction of Thrust blocks using M20 grade Concrete using 20 mm Blue granite jelly for plain cement concrete, including necessary excavation,sand filling, M20 grade concrete and shuutering charges for all the sides and providing skin reinforcement for all sides using 12mm @200 mm c/c asperdrawing etc all complete ( The rate is inclusive of cost of reinforcement rods ) 450mm - 90 Deg D/S Bend

450mm - 45 Deg D/S Bend

450mm - 22 1/2 Deg D/S Bend

450mm - A/S Tee

Refilling with excavated sand complying with standard specification for filling in foundation and basement

Disposal of surplus earth including loading and conveyance within a distance of 5 km (basic cost of earth is zero) including loading charges and Conveyance Charges of 5 kms distance.

Discharge Chamber (4.40m x 2.20m x 1.70m) : Construction of masonry valve pit as per Type design for Sluice valve valve, Non Return Valve for Earth work excavation, Refilling, Plain Cement Concrete 1:4:8 (one sulphate resistant cement, four sand & eight coarse aggregate), Reinforced Cement Concrete M30, centering, MS or deformed steel bars (upto 16 mm dia) for RCC, FRC Manhole Covers, PVC encapsulated CI steps, Conveyance of excess earth for the following valves includingcharges for precasting and,valves and specials in position,refilling the sidesof the pit etc. complete. and as directed by Corporation Engineers .For isolation/Control 450mm diameter

For Air Valve 100 mm Valve in 450 mm Main

Dewatering using 7.50HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.Twad 2022 -23 Pg No :309

Labour for cutting open road for laying water mains or sewer. Inculding cost of materials and conveyance charges etc completed of the standard specificationTwad 2022 -23 Pg No :299 B.T. Roads (or) Maccadam road

Concrete Roads

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification . 450mm diameter

Plain Cement Concrete 1:2:4 (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification. 450mm diameter

M.S. PIPES- SPIRAL/LONGITUDIDNAL WELDING AS PER IS 3589/2001 WITH INTERNAL LINING AND EXTERNAL COATING MADE WITH FE410 Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 (OR) Coal Tar Enamel Wrapping Tape as per IS 15337:2013. MS Casing pipe 711mmx6.3mm

RATES FOR TRENCHLESS TECHNOLOGY FOR PIPE LAYING WORK IN RAILWAY/NHAI/SH/NH CROSSINGS. Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), depth upto 5m in all soil strata including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 15 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe. For 800mm dia MS encasing pipe for various thickness Twad 2022 -23 Pg No :326