Rehabilitation to Tail race of Sarkarpathy Power House at Contour Canal in Anaimalai Taluk of Coimbatore District

Amount

Dismantling clearing away and carefully stacking the materials useful for reuse for any thickness of stone masonry walls in cement mortar under 3m high as directed by the departmental officers and complying with standard specification.

Dismantling, clearing away and carefully stacking of materials useful for reuse for any thickness of plain cement concrete complete complying with standard specifications and as directed by the departmental officers.

Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc complete complying with standard specification and as directed by the departmental officers. (SS.20.B) (Open Excavation)

Drilling holes of 40mm dia size in the rock surface to the required depth and spacing in a staggering manner as directed by the Engineer incharge of the works.

Supplying and fixing in position 25 mm dia mild steel or R.T.S. rod inside the drilled holes including cost of steel,charges for cutting,fixing with cement slurry grouting,curing etc., complete complying with standarad specifications and as directed by the Engineer incharge of work.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for vertical / sloped surface as detailed below with all cross bracings using mild steel sheets of size 90cm x 60cm and 10BG Stiffened with welded mild steel angle of size (25x25x3)mm laid over silver oak joists of size 10x 6.5cm spaced at about 90cm c/c and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75cm c/c etc.,complete complying with standard specifications and as directed by departmental officers.Scaffolding and centering charges for the structural components is uncluding the cost and conveyance of all materials to the site including all labour charges and incidental charges etc., complete (for vertical wall surface)

Centering upto 3.29m height

Centering upto 3.29m h to 4.29m height

Centering upto 4.29 m to 5.29m height

Supplying and fabrication of Steel required for all RCC works involved in the schedule including cost of steel, cost of fabrication, labour charges for cleaning the rods straightening, cutting, bending, tying grills including overlapping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc. complete as per standard specification and as directed by the departmental officers.

Providing and laying Plain Cement concrete of M10 grade (Design Mix) using 40mm HBGS jelly (well graded) confirming to IS specified grading (to produce concrete of the specified grading and characteristic strength of 10N/mm2 at 28 days) and mixing the ingredients by mixer machine including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts,compacting and finishing the surface, watering, curing etc.,complete complying with standard specifications and as directed by the departmental officers

Providing and Laying of Plain Cement concrete M15 grade (Design Mix) with well graded aggregates and the maximum nominal size of coarse aggregate of 40mm and down graded to IS specified grading and mixing by mixer machine ( to produce concrete of the specified characteristic strength of 15 N/mm2 at 28 days) including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts, vibrating compacting and finishing the surface watering, curing for various depth and height below and above ground level so as to attain the profile and strength specified in the drawings as per the complete complying with standard specifications and as directed by the Engineer in charge.

Providing and laying in position, Standardized Reinforced Cement Concrete Mix M20 Grade in accordance with IS:456-2000,using 20mm and down graded hard broken granite stone jelly for all RCC works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticizer / super plasticizer) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with above (5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M-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 complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirement of IS standards. (No separate payment will be made by the Department for the excess usage of materials)

Providing and laying in position, Standardized Plain Cement Concrete Mix M20 Grade in accordance with IS:456-2000,using 20mm and down graded hard broken granite stone jelly for all works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticizer / super plasticizer) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with above ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M-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 complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials)

Removing hard rock by wedging chiseling and trimming to proper shape where blasting is prohibited including cost for initial lead and lift as per technical specification and as directed by the departmental officers.

Plastering with cement mortar 1:3 (one part of cement and three parts of sand) 20mm thick, including finishing, curing etc., complete complying with standard specifications and as directed by the Engineer in charge of the work.

Special raised pointing in R.R. masonry by racking out existing joints to a depth of 60 mm to 75 mm with racking tools clearing the surface with wire brush, filling the racked joints with C.M. 1:3 to a full depth well pressed and caulked in the joints and rubbed smooth as directed by the Engineer in charge of the work.

Supplying and fixing PVC Water Bar 150mm wide with single bulb in position including cost and conveyance of all materials to the work site complete complying with standard specifications and as directed by the departmental officers.

supplying and fixing of bituminous expansion pad of 15mm thick In the joints including cost of material, conveyance to worksite and labour charge for fixing complete as directed by the engineer in charge of work.

Hire charges for Diesel pump set for dewatering the stagnant water in the canal with crew including cost of fuel and transporting charges etc. complete complying with standard specification and as directed by the departmental officers

Extra for every additional 1m lift or part thereof over the initial lift of 2m for blasted materials complying with the standard specification and as directed by the departmental officers - (Rate for 3 Lift) .

Extra for every additional 1m lift or part there of over the initial lift for excavated earth, loose boulders, dismantled materials etc., complete complying with standard specifications and as directed by the departmental officers - (Rate for 3 Lift).

Removal of existing old shutter and manufacturing, supplying and erection of Vagariyar Shutterof Size 3.15 x 2.95 m with 12 mm thick MS plate, 4 nos of roller of size 200mm dia with rib plates of 210 x 80x 8 mm, top and bottom beam made of ISA 150 x 150 x 8 mm, end verticals of size ISMC 225 x 80 x 6.4mm thick in both sides, horizontal and vertical stiffeners made of ISMB 200 x 100 x 5.7 mm thk and bottom cover plate of size 260 x 225 x 8 mm thk, including preparing detailed drawing of existing shutter frame work, roller box, roller, roller pin, flanges, seals, seal tracks, etc., and getting approval from PW workshop before manufacturing new shutter. Repairs, welding and surface facing by buffing and grinding machines to embedded groove frames, sill beam top, seal track and roller track. Painting of new shutter, groove frames, etc., with two coats of zinc rich primer (85 % + 5% zinc content) and two coats of first quality epoxy coal tar painting. Including all dismantling and reassembling works required for the replacing the shutter and dismantling the masonry portion where ever necessary, make it to original condition by means of cement concrete or masonry and finishing the portion. Fixing bottom Flat Rubber Seal and bulb rubber seal, Rollers, New CSK Bolt & nut with Washers also fixing for New Shutters, to ensure smooth operation of canal shutter as per Specifications. (contd.,)

(contd.,)Fixing of side rollers by lifting the shutter at higher level for roller service with necessary dismantling works, by removing side GI plate, guide rail, all the roller pins, rollers, cleaning the bearings, changing the oil seals, O’ rings, bearing repairs, facing of pins and washer plates, roller adjustment lever repairs, reassembling the roller with grease packing, etc., During repair and trial run smooth rotation of all the rollers should be verified.The rate including cost of all materials, Labour charges in overhanging condition including Lathing, Drilling, Welding, Gas cutting, and Conveyance to this site, Loading and unloading Charges, Grease packing, Lubricating Oil, all civil works and trial run satisfactorily handing over of all old materials removed from this work etc., Scaffolding, Hire Charges of Machineries, Tools and Plants and Safety Provisions etc., and fro charges of equipment’s, etc., complete and as directed by the departmental officers. All materials and works should be as per IS specification.

Existing Old Screw Gear Rod type Removed and Replacement by New Warm Gear Box, Reduction Gear box and New Motor Hoist Assembly and Warm Gear box Stool, Motor Gear box bed Assembly and fixing carefully 4.5m long, 100mm outer diameter threaded Warm gear rod, also New Motor Starter fixing, and included old Platform Cleaning & Buffing Painting of two coats of epoxy Coal tar Paint over Two Coats of Zinc rich primer and electrification work including, supplying and fixing of 4 core 6 mm² UG Cable 100 R.Meter. Earth Work and laying charges etc., MCB 63A TP- 4Nos., MCB 63A DP- 4Nos., Starter box heavy duty with forward and reverse function- 2Nos and as per Specifications. The rate including cost of all materials, Labour charges in overhanging condition including Lathing, Drilling, Welding, Gas cutting, and Conveyance to this site, Loading and unloading Charges, Grease packing, Lubricating Oil, all civil works and trial run satisfactorily handing over of all old materials removed from this work etc., Scaffolding, Hire Charges of Machineries, Tools and Plants and Safety Provisions etc., and fro charges of equipment’s, etc., complete and as directed by the departmental officers. All materials and works should be as per IS specification.

Dismantling the operating platform and main supporting R.S. Joist, M.S. Channels, chequered plate and the Top & inside, platform arrangements by gas cutting the bolts and nuts lifting the platform assembly by crane, dismantling the masonry portion where ever necessary, make it to original condition by means of cement concrete or masonry and finishing the portion.Fabrication and Erection of Operating & Inspection Platform Size of 45’ x 2’ Using ISMC 150 Length of 4.5 metres-6 Nos., for Vertical Column, ISMC150 length of 6 meters -5 Nos., for Horizontal Support, , ISMC150 length of 0.9 m -22 Nos., for Cross Support, ISA65x65x6 length of 0.2 m -60 Nos., for Cleat Angle, 40NB Handrails MS Pipe-15m length x 6 Nos., For Handrails ISA65x65x6 length of 1 m -22 Nos., for Vertical Support of Both Side 6mm Thickness Platform Chequered Plate Size of 15m (L) x 1m (B)for both Side. 1” Steel Rope Changing work for Counter Weight Operation of Shutter. Two coats of epoxy Coal tar Paint over Two Coats of Zinc rich primer and as per Specifications. The rate including cost of all materials, Labour charges in overhanging condition including Lathing, Drilling, Welding, Gas cutting, and Conveyance to this site, Loading and unloading Charges, Grease packing, Lubricating Oil, all civil works and trial run satisfactorily handing over of all old materials removed from this work etc., Scaffolding, Hire Charges of Machineries, Tools and Plants and Safety Provisions etc., and fro charges of equipment’s, etc., complete and as directed by the departmental officers. All materials and works should be as per IS specification.

SAMY CONSTRUCTION (BID ID -1203894)