Maintenance and Repairs to Roads in Master Plan Complex at Villupuram

Amount

Earth work excavation for foundation 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 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Providing and laying sand gravel mix as per mixed to a consolidated thickness of 100mm, using 0.67 cm of sand and 0.69 cm of gravel for every cum consolidated sand gravel mix to give a soaked CBR valve of minimum 20 including cost and conveyance of sand and gravel from approved sources to work site and premeasurement including labour charges for mixing the required quantities of sand and gravel to the proportion and consistency using soft portable water to keep up optium moisture content over day and night mixing well on the next morning water sprinkler and laying watering including all leads spreading the mix in layers not less than 10cm and not more than 15 cm watering and consolidating including labour charges for mixing spreading and hire charges fuel charges and running charges for power rollers, water sprinkles and all other tools and plants etc. complete complying with standard specifications.

Cement Concrete 1:5:10 (One Cement, Five M-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 curing etc. complete complying with standard specification.

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, 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 over silver oak joists of size 10cm x 6.5cm spaced at above 75cm 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)

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance using 20mm with IS:456-2000, and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/ms and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 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 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 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).

For Foundation and Basement

Plain Cement Concrete 1:2:4 (one cement, two M-sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Picking the existing BT surface upto 50mm depth as directed by the departmental officers and collecting the picked up salvaged metal and stacking the same for reuse and deposting the debris excluding cost of materials including all labour charges for picking and all other tools and plants employed of the work and including all other incidental charges etc., complete as per standard specifications.

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250mm thick specification including pre mixing the materials with water at OMC in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/Basecourse on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material, labour charges, rentals form machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5

Brick work in Cement Mortar 1:6 [ One Cement and Six M-Sand] using best quality of Second Class Ground Moulded Chamber Burnt Bricks of size 9" x 43/8" x 23/4" for foundation and basement including curing, etc., complete complying with standard specifiction. (For Foundation and Basement)

Providing and laying of Gravel including cost and conveyance of the same to work site from approved quarry including stacking the same to departmental gauge for premeasurement including all labour charges for laying, spreading etc.,complete

Construction of INSPECTION CHAMBER following clear sizes including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five M-sand] using best quality of second class Ground Moulded Chamber Burnd Bricks of size 9" x 43/8" x 23/4" with Plastering with Cement Mortar 1:3 [One Cement and Three Plastering Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three crushed stone sand and Six Aggregate] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers as per standard specification.

Inspection Chamber of size 0.60 X 0.60 m

Inspection Chamber of size 0.90 X 0.90 m

Supplying and fixing in position best quality of RCC Hume Pipes of following dia including making connection to the drain, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition etc., complete complying with standard specifications.

300mm dia RCC Hume Pipe

Plastering with Cement Mortar 1:5 (One cement and Five M-Sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting two coats of newly plastered wall surface with ready mixed Exterior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of 150 mm thickness in RCC 1:2:4 (one cement, two M-sand and four aggregates), using 20mm 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.

Paving with Rubber Moulded hydraulically pressed cement concrete paver block with pattern design of 50% colour and 50% Plain of 83 mm of approved quality and colour, over the sand filling to full depth of slab perfectly and neat finishing the joints, compressing with vibrator. The rate shall be inclusive of cost of paver block, taxes, incidental charges, transportion charges and labour charges for fixing, neat finishing the joints as directed by the departmental officers etc., complete complying with standard specification. The paver block should got approved by the departmental officers before use on work.

SIVA ENGINEERING COMPANY