Amruth 2.0 - 2022-2023

Amount

CONSTRUCTION OF BORE WELLS Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site (Site will be shown by the dept officers) including construction of mud pit - TWAD SoR P.No – 302 Upto 60 m Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

Supply and delivery of PVC CASING PIPE AS PER IS 12818 / 2010 Medium depth TWAD SoR P.No - 22

Labour Charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete, supply and packing the annular space with pebbles of size and quality as approved by the executive engineers of dept officers. TWAD SoR P.No - 304 150 mm dia Casing Pipes assembly(Medium depth)

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by dept officers and conducting yield test by'V' notch method.Note I) 150 mm dia bore, reaming should be done upto300mm dia.II) 200 mm dia bore, reaming should be done upto300mm dia and thereafter 400,450 etc. TWAD SoR P.No - 305

THREE PHASE SUBMERSIBLE PUMPSET SUITABLE FOR 150MM DIA BOREWELL AS PER IS 8034/2002 WITHOUT PANEL BOARD Supply and delivery of clear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %TWAD SoR P.No - 102,25 For 100 lpm and 40.00m head

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. TWAD P.No – 308 Upto 5 HP

Suppy and delivery of HDPE Pipes of 50mm dia for Sub-mersible Pump in Bore well Class-5 (1 MPa or 10 kg./cm2 pressure) PWD SoR P.No - 105,Item - D-e

Supply and installation of Nylon rope for bore wellPWD SoR P.No - 105,Item - 411

THREE PHASE PANEL BOARD- D.O.L WITH TWO LEVEL GUARDAND AUTO START Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately).5HP TWAD SoR P.No - 114

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. TWAD SoR P.No - 120,12.1 DO - 3 core 4 sq.mm - Pump (PS)

DO - 4 core 4 sq.mm. for PS (Incomer and Lighting)

Construction of OHTs -3.00LL - 1Nos of 16.00m staging height 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 Upto 2m depth - Town Panchayat data

Extra for every additional 1 metre lift or part thereof over the initial lift for the S.No:1

Sand filling in foundation with clean river sand in layer of 15cm thick well watered rammed to consolidation including cost and conveyance of sand to site incluidng labour charges etc., complete as per standard specification

Laying PCC in M10 using 40mm hard broken blue granite aggregate for foundation bedding at levelling coarse concrete including cost of all materials, mixing,placing, ramming, curing, finishing etc., complete and as directed by Engineer .

Providing and laying in position Standardized 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 requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials) Below G.L upto 1.50m depth

Above G.L upto 4.50m height

Above 4.50m to 7.32m ht., from G.L

Above 7.32m to 10.98m ht., from G.L

Above 10.98m to 14.64m ht., from G.L

Above 14.64m ht., to 18.30m ht.,

Above 18.30 m to 21.96m ht., from G.L

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86. Plane Surface Upto 3.30m above GL

3.30m to 4.30m ht above GL

7.30m to 8.30m ht above GL

11.30m to 12.30m ht above GL

15.30m to 16.30m ht above GL

Centering for Inside Circle column Upto 3.30m above GL

From 3.30m to 4.30m ht.

From 4.30m to 5.30m ht.

From 5.30m to 6.30m ht.

From 6.30m to 7.30m ht.

From 7.30m to 8.30m ht.

From 9.30m to 10.30m ht.

From 10.30m to 11.30m ht.

From 11.30m to 12.30m ht.

From 12.30m to 13.30m ht.

From 13.30m to 14.30m ht.

From 14.30m to 15.30m ht.

From 15.30m to 16.30m ht.

From 16.30m to 17.30m ht.

From 17.30m to 18.30m ht.

From 18.30m to 19.30m ht.

Centering for square column Upto 3.30m above GL

From 3.30m to 4.30m ht.

From 4.30m to 5.30m ht.

From 5.30m to 6.30m ht.

From 6.30m to 7.30m ht.

From 7.30m to 8.30m ht.

From 8.30m to 9.30m ht.

From 9.30m to 10.30m ht.

From 10.30m to 11.30m ht.

From 11.30m to 12.30m ht.

From 12.30m to 13.30m ht.

From 13.30m to 14.30m ht.

From 14.30m to 15.30m ht.

Centering for curved surface From 15.30m to 16.30m ht.

From 16.30m to 17.30m ht.

From 17.30m to 18.30m ht.

From 18.30m to 19.30m ht.

From 19.30m to 20.30m ht.

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.

Colour washing two coats in all floors using best Cement Paint and best quality of approved variety and burshes, scaffolding charges etc. complete complying with standard specification.

Providing and fixing of cut stone (Rough dressed) set in CM 1:3 of size 0.45 X0.45 X 0.30M at site including cost of all materials, labour charges, curing etc., complete and as directed by dept officers

Supplying and fixing in position of RCC (1:1.5:3) in side access ladder of following size 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 Town Panchayat Officials

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.

Providing and fixing in position of precast RCC (1:11/2:3) Hand rails of approvced design for one meter height by using 20mm HBG stone including cost of all materials, centering, shuttering, strutting, reinforcement, placing of concrete, finishing, curing and fixing in position on the roof slab etc., complete and as directed by TWAD Board officers.

Supply, Delivery and fixing of CI Manhole frame with cover of following size including cost of all materials, fixing of MS clamps, Bolt and nuts etc.,complete and as directed by the officers incharge 0.60 x 0.60 (Heavy Duty)

Providing RCC (1:1.5:3) Ventilator using 20mm HBG stone including cost of all materials, centering, shuttering, strutting, reinforcement, placing ofconcrete, finishing, curing and fixing in position on the roof slab with mosquito proof net arrangement and etc.,complete and as directed by dept officers.

Supply and delivery of Ductile Iron class PN - 10 flanged pipes as per IS 8329/2000 Each D/F pipe shall be 2.00 m lengthTWAD SoR P.No - 48 100mm dia

200mm dia

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. TWAD SoR,P.No - 71 100mm dia DI Valves

200mm dia DI Valves

Supply & delivery of following DUCTILE IRON SPECIALS AS PER IS 9523/2000 for valve for OHT as per IS standardsTWAD SoR P.No - 52

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.TWAD SoR P.No - 300 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 12,m 14m

Vertical laying from 14m 16m

Vertical laying from 16m 18m

Vertical laying from 18m 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

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

Pumping main Supplying of DI K9 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 K9

Supply and delivery 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 Sluice valve (3 Nos for Isolation and 2 Nos for Scour)

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 50mm dia DI air valve

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 K9

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. 150 mm Dia DI K9

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials) 150 mm Dia DI K9

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 K9

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 K9

Distribution System Supply & Delivery of the following dia of HDPE pipe of PE 100 grade, PN -6 class conforming to IS 4984 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. HDPE Pipes of 90 mm diameter

HDPE Pipes of 110 mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm diameter

HDPE Pipes of 160 mm diameter

HDPE Pipes of 180 mm diameter

HDPE Pipes of 200 mm diameter

HDPE Pipes of 225 mm diameter

Supply & Delivery to site of the following types of specials such as Tees, Tapers. Bends, endcaps etc as per specification 90 mm dia HDPE bends

90 mm dia HDPE Tees

110 mm dia HDPE bends

110 mm dia HDPE Tees

125 mm dia HDPE bends

125 mm dia HDPE Tees

140 mm dia HDPE bends

140 mm dia HDPE Tees

160 mm dia HDPE bends

160 mm dia HDPE Tees

180 mm dia HDPE bends

180 mm dia HDPE Tees

200 mm dia HDPE bends

200 mm dia HDPE Tees

225 mm dia HDPE bends

225 mm dia HDPE Tees

Supply and delivery 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 DI Sluice valves

DI Flow rate Limit control Valve (PN10/16) with the function to limit the flow rate to a set point. In case the downstream demand increases beyond the set limit, the valve closes down to bring the flow back to set limit. The valve shall have an orifice plateand the orifice diameter is designed based on the set point as per the requirement and installed downstream of the control valve.“Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Flow rate Limit Control valve with cast body of ductile iron grade GGG-40 or equivalent grade or as per IS 3896-Part-2-1985 customized control cylinder for linear control behaviour orequivalent, 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. 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, orifice plate shall be as per the set point of flow rate and 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 For 100mm dia

Supply and delivery of Woltman model with removal mechanism water meters, (no domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 with life cycle test certificate from FCRI/ NABL accridiated lab. The watermeter shall have magnetic drivers or mechanical drivers and shall be versatile for installation in any position. The meters shall be hydrodynamically, hydrostatically balanced. The runner, runner chamber, pointers of the meter shall be as per ISO 4064 specification. Dry dial excavated counter housing fully protected against flooding ensuring easy reading in all climates. 100 mm dia

100 mm dia

Supply & delivery of following DUCTILE IRON SPECIALS AS PER IS 9523/2000 for valve in the distribution system as per IS standards DI Specials for Pumping main and Distribution system such as Sluice valves,DI Pressure Sustaining / Relief Valves and Bulk Water meter & etc

Road Cutting Labour for cutting open road for laying water mains or sewer i) B.T. Roads (or) Maccadam road

Labour for cutting open road for laying water mains or sewer ii) Concrete Roads

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., HDPE pipes from 90mm dia upto 160mm dia

HDPE Pipes of 180 mm diameter

HDPE Pipes of 200 mm diameter

HDPE Pipes of 225 mm diameter

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.

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 ofpipe 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 thevertical 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 fixing75mm dia. reflectors including earth work excavation for fixing verticalposts and finally removing and stacking the materials safely for further useetc., complete and as directed by Dept officers

Lowering the following dia of pipes and specials into trench and laying to proper grade and alignment complete as per standard specifications and as directed by the Departmental Engineer. For 90mm to 110mm dia (OD) HDPE pipes

For 125mm dia (OD) HDPE pipe to 160mm dia (OD) pipes

For 180mm to 250mm dia (OD) HDPE pipe

Jointing HDPE Pipes and Specials of the following dia of pipes by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed byTWAD Board Officers. 90 mm diameter pipes,Tees and Bends

110 mm diameter pipes,Tees and Bends

125 mm diameter pipes,Tees and Bends

140 mm diameter pipes,Tees and Bends

160 mm diameter pipes,Tees and Bends

180 mm diameter pipes,Tees and Bends

200 mm diameter pipes,Tees and Bends

225 mm diameter pipes,Tees and Bends

Testing of D.I/HDPE pipes for water supply 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 diametres of pipes. HDPE Pipes of 90 mm and 110mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm and 160mm diameter

HDPE Pipes of 180 & 200 mm diameter

HDPE Pipes of 225 mm diameter

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 Enginee. HDPE Pipes of 90 mm diameter

HDPE Pipes of 110 mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm diameter

HDPE Pipes of 160 mm diameter

HDPE Pipes of 180 mm diameter

HDPE Pipes of 200 mm diameter

HDPE Pipes of 225 mm diameter

Road restoration Road restoration work as per standard or contract specifications and as directed by the Departmental Engineer. Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and Eight part of aggrigate) using 40 mm size ISS HBG metal 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 -

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 .

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- a.Sluice valve Chamber Size 1.0m x 1.0m x 1.5m b.Pressure Sustaining / Relief Valve Chamber Size 1.0m x 1.0m x 1.5m c.Bulk Water meter chamber Size 1.0m x 1.0m x 1.5m

House Service Connection Providing House service connection with suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 threaded metal inserted for tapping outlet suiting for ½”, 3/4” &1” clear bore and with wide plastic strap (Engineering Plastic) with SS 304 suitable bolts & nuts. Saddle to have sealing of Thermo plastic elastomeric (TPE) material around including road cutting, replacement of utilities, providing house service connection, refilling, restoration of roads / drains, testing etc complete with the following materials