Construction of 3.01 MLD Sewage Treatment Plant Cum Fecal Sludge Treatment Plant at a Length of 6.98 km in Walajapet Municipality

Amount

Earth work Open excavation by Mechanical Means for Open Earthwork in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.

0-2.4M depth

2.4-3.4M second depth

3.4-4.4M depth

4.4-5.4M depth

5.4-6.4M depth

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Earth work open excavation by manual means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as direct-ed by the departmental officers.

Removal of excess excavated earth from the site and dumping away from the location.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling in foundation, basement, etc with Sand Gravel mix in ratio of 1:3 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed with surface vibrator and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supply delivery filter media of natural pebbiles & Solimentary toe well. in shape in The and allow Support int media Scruunid filter led quentia Ghanical Cien with good flow Should be double casted klin dried and classified Various soms as directed by Board officers - Horizontal Planted Gravel Filter

100-120mm (20mm-70mm)

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 2.10 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton and as directed by the departmental Officers(Payment for centering shall be given after the concrete is laid)

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, Standardised Concrete Mix M-25 Grade by insitu machine mix concrete adopting weighing batch method 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 content of 350 kglm3 and maximum water cement ratio of 0.50, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m’) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also 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, 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).

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Flooring with following plain ceramic tiles of size 305 x 305 x 6 mm laid over 20 mm thick cement mortar 1:3 (One Cement and Three Sand) base mortar over the existing slab / floor including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with white cement mixed with colouring pigment at the rate of 0.3 Kg. / sq.m. etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Plastering in Cement Mortar 1:5Mix (one part of cement and Four part of sand) 12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Providing and fixing uPVC pipes (Soil and waste line) of required diameter conforming to I.S.-13592, and I.S.-4985 to withstand continous internal hydroulic pressure of 6 kg/cm2 including necessary fixtures and fittings, such as bends, tees, single junctions, double junctions and joining with rubber rings and lubricants, on wall by means of clips or in ground including necessary excavation, laying refilling, trench testing etc. complete. (Prior approval of sample and brand by Engineer in charge is necessary before use.)

150 mm dia pipe

110 mm PVC pipe

110mm uPVC perforated pipes

50 mm uPVC pipes

150mm Upvc perforated pipe with 100 perforations at 0,45,90,135 and 180 degree per metre length. Hole dimensions in excess of 10 mm diameter

110mm upvc tee

Providing & laying with Cuddapah slabs of 40mm thick for closing the channel as cover without cement mortar including leading lifting conveyance to the site complying with standard specification all complete.

Supply and Installation of Nylon ropes 20 to 30mm inculding cost of material and also charges complete

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction, Liquid passages shall be finished smoothand designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi van e pref erably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V(+or– 10%), 50Hz(+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed, copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size. The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) 20m head discharge 150m3/hourTWARD P.NO 134 & S.NO 15

Discharge 100 to 200 M3/hour above 15m to 20m head

Discharge 300 to 400 M3/hour above 10 to 15m head

Discharge 20 to 100 M3/hour above 10 to 15m head

Providing and fixing Stainless steel grill work for screening of wastewater as per drawing including fixtures, necessary welding and finishing weld grill with vertical sloping 5 mm thick bar placed at a distance of 1.5 cms and dimensions of 700 mm x 600 mm

Providing & laying with Cinder for filter unit inside the tank including leading lifting conveyance to the site complying with standard specification all complete.

Earthwork excavation for pipeline work other than loose soil loose with bed width less than 1.25m and depth not more than 2.0 m, the quantities may be worked out seperately

125MM HDPE PIPE

160MM HDPE PIPE

200MM HDPE PIPE

Earthwork excavation for pipeline work other than loose soil loose with bed width less than 1.25m and depth not more than 2.0 m, the quantities may be worked out seperately

250MM HDPE PIPE

Refilling with excavated earth for pipeline other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers well rammed, watered and consolidated etc. complete complying with standard specification

125MM HDPE PIPE

160MM HDPE PIPE

200MM HDPE PIPE

250MM HDPE PIPE

Supply and delivery of HDPE pipes (Sewage Pipes) of required diameter conforming to I.S.-13592, and I.S.-4985 to withstand continous internal hydroulic pressure of 8 kg/cm2 including necessary fixtures and fittings, such as bends, tees, single junctions, double junctions and joining with rubber rings and lubricants, on wall by means of clips or in ground including necessary excavation, laying refilling, trench testing etc. complete. (Prior approval of sample and brand by Engineer in charge is necessary before use.)

125MM HDPE PIPE

160MM HDPE PIPE

200MM HDPE PIPE

250MM HDPE PIPE

Lowering HDPE pipes and specials to trench andlaying to proper grade and alignment and asdirected by the department engineers

125mm to 160mm dia (OD) HDPE pipe

180mm to 250mm dia (OD) HDPE pipe

Jointing HDPE Pipes and Specials 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 by Engineers.

125MM HDPE PIPE

160MM HDPE PIPE

200MM HDPE PIPE

250MM HDPE PIPE

Testing of HDPE 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.

Up to 125MM PIPE

Up to 200 MM PIPE

Up to 250 MM PIPE

Cutting HDPE rigid pipes and specials true to axis and finishing the ends complete-

160mm dia PVC / HDPE pipes

125mm dia PVC / HDPE pipes

200mm dia PVC / HDPE pipes

250mm dia PVC / HDPE pipes

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 diaand 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tyingthe vertical and horizontal poles with coir |rope including fixing charges 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.-

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.

Supply and delivery of PVC Mould CI steps |for sump cost of materials transportation and fixing charges ect.,completed as standard spcifiacation.

Supply and delivery of CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING AND WITH 5 YEARS WARRANTY including tranpotation and fixing charges |ect.,

For Gate valve-100mm

For Gate valve-150mm

For Gate valve-200mm

For Gate valve-300mm

Supply, delivery and fixing in position FRC Manhote cover slab with frame of size 0,60 x 0,60 m of approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete.as per standard specification.

Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body |of ductile cast iron of Grade GGG 40 or equivalent grade and disc of ductile cast liron GGG 40 or equivalent grade 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 &t Epoxy Powder should be approved by W 270. (EPP) it is a resi-coat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted component: 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,

D/F NON RETURN VALVE-200MM

D/F NON RETURN VALVE-300MM

Labour charges for cutting of B.T road or WBM roads for laying of mains and as directed by Engineer in charge.

SPECIALS FOR HDPE PIPES AS PER IS 8360/1977/Part |(Reaffirmed 1992) Part ll and Il (Reaffirmed 2002)-( SOR vol II- 2025-2026 pg no 20)

160MM HDPE PIPE -90 Degree Bend

160MM HDPE PIPE -Equal Tee

125MM HDPE PIPE -90 Degree Bend

125MM HDPE PIPE-Equal Tee

200MM HDPE PIPE 90 Degree Bend

200MM HDPE PIPE -Equal Tee

250MM HDPE PIPE 90 Degree Bend

250MM HDPE PIPE-Equal Tee

Collection supply and filling of well gravel filling approved quarry including cost and Conveyance of all materials to site and all labour charges for filling etc., Complete.

Plain Cement Concrete 1:2:4 Mix (one part cement, Two part M.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. Complying with std. specifications.

Brick Work in Cement Mortor 1:5 Mix (one cement, five sand) using new best II Class Bricks of size 9 ” x 4 3/8 “x 2 3/4 ” 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. Complying with std. specifications.(For 10 M3)

Supplying and fixing M.S.grill to doors, special windows and ventilators etc as directed by the departmental officers inclusive of cost of MS grill including one of cost red oxide and fixing in position etc., complete (as per the schedule of rate) SL.NO.182 Q3

Weathering course concrete with broken brick jelly of 20 mm gauge in pure slacked lime ( no sand to be added) over roof slab the proportion of brick jelly to lime being 32:12.5 by volume and laid over In a single layer and consolidated require designed and finished thickness by beating the concrete with wooden beaters of approved pattern , keeping the surface constantly with springing lime jiggery water asper standard specification and as directed by the departmental officers Complete as per standard specification.

Finishing the top of roof with one course of machine pressed tiles 23 C.m x 23 C.m x 2 C.m size using cement mortor 1:3 mix mixed with 2% by weight of Crude Oil and pointing with Cement Mortor 1:3 mix Cost of all materials and labour charges and brick jelly concrete etc., complete as per standard specifications.

Exterior Emulsion paint Two coats with good quality of approved Emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications for 10 sqm

Supply and fixing of ISA angle for truss including cost of material conveyance of all mater, fabrication and fixing charges etc. complete as per ISI with rust preventive primer and ready to assemble condition for easy installation at site including dismantling making necessary with power drill to the accessories such as supplying and fixing holdfast, plastic brush inserts receiver runner buttom shock absorbers etc. complete as directed by departmental office

Fabricating, supplying and fixing of pre painted galvanium iron sheets with the following specifications. The materials should be PPGI tile profile with a red colour or any other approved design 0.47 mm thick 24 guage having width 1050 mm. The sheet should be GI base pre painted hot dipped galvanised iron sheet and to be fixed with shelf tapping scres, plastic washer. The washer and screws to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of Z 120 GSM paint thickness the finsh should be terra cotta finish like malabar mangalore tiles. Finish optional matt finish. The sheet to be fixed with making suitable corrugated, cutting the sheet in to the required size and making ornamental designs as per the siste condition and as directed by the departmental officers

Providing and laying Hollow Blocks . The hollow blocks should be of the size 40 x 20 x 15 cms and the opening should be on both the ends or (porotherm jalli)

Providing and laying Crused Stone sand as filter media in sludge drying bed .

Supply and fixing of 32 amps Dp Switch of 500 v with metal clad with fuse and neutral etc Complete.as per std Specification

Supply and fixing of TNEB meter board suitable for 32A three phase service connection with 3 nosx32 amps fuse unit (500 V) 32A neutral link and earth ( 1" x 1/8 " copper flat) on teak wod plank of size 600 mm x450 x 19mm with supporting Teak wood reeper etc complete

Supply and run of 4 of 4 sqmm (56/0.3) PVC insulated Single core unsheathed Cu.Conductor of 1100 v grade on 7/20 GI bearer wire for service connection main

Supplyandrunof4of4sq.mm.PVCinsulatedSCunsheathedFRLScopperconductorof1100Vgradein25mmdiaGIpipe (Class 'B') bent at both ends with necessary angle iron up right and end supports for mains

Supplyandfixingof3phase32Aaerialfuseunitfor3Nos.32Afuseunits(500V)onsuitableMSsheetcoveredwith6mm thick hylem sheet on suitable angle iron work the tapping pole with necessary clamps

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T. switch with continuous earth wire connection of 14 SWG TC wire for making good of the concealed portion with suitable colour for PVC concealed light point / Fan point (For Electronic regulator). etc, complete as per standard specifications. (SD 23)

Wiring with 2 x4 sq.mm. PVC insulated single core unsheathed FRLS FRLS copper conductor of 1100 V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories with suitable Module GI switch box on wall with 1 no. 16A one way module switch and 1 no. 16A/6A 3 pin module socket with module front plate with painting of Suitable colour with continuous earth wire connection of 4 sq.mm copper wire for Open MS conduit 15A Plug point ( 8 points / Coil) Lower End

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 150 x 100 x 113 mm TW switch box with 3mm hylum sheet cover for 5A 3 pin non inter locking CS plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed PVC plug point.etc, complete as per standard specifications (SD 38)

Supply and fixing of TNEB Board suitable for 3 Phases 63A service connection made up of suitable angle iron frame work of size 2 feet x 1 1/2 feet using angle iron of size 1 1/2" x 1 1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos 63A fuse units(500V) 1 No. Neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 7/16 PVC insulated copper wire with earth connection complete.SD 129

Supply and fixing of 32 A TPN MC switch on incoming and 3 Nos 32 A DPMC Switch (Front Handle) as outgoing with suitable adoptor box with suitable MS cable entry box trunking boxes and internal connections on internal connections on suitable AI frame work with earth connection etc, complete.SD 172

Supplying and fixing of 1200mm ( 48'' ) sweep AC ceiling fan complete with regulator with 1M down rod including S & F of fan clamp with side plates and cross arm etc, complete as per standard specifications

Supply and fixing of 20Watts LED Light with IS mark With All Accessories Including Cost and labour Charges etc.,.

Supply and Run of 2 of 2.5 sq.mm PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in 25mm dia GI pipe (class B ) suitably bent at both ends with necessary angle iron upright and end support for service connection mains

Plastering with cement mortar 1:4 (One Part of Cement and Four part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of following thickness in RCC 1:2:4 (one cement, two crushed stone sand and four aggregates), using following HBGS jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position Standardised Concrete Mix M-20 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 325Kg/ cum and maximum water cement ratio of 0.55 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) - Upto Basement

Painting two coat new iron work including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications for 10 sqm

T KARUNAKARAN (BID ID -1514232)