Providing MS Ladders to HVC Cottages at Tirumala (Sub-Estimate)

Earthwork excavation for foundations and depositing on bank for all lifts and with an initial lead of 10m including all Operational, incidental, labour charges such as shoring, sheeting, planking, strutting etc., complete for finished item of work in Ordinary soil-Manual means up to 3m depth

Earthwork excavation in hard rock (blasting prohibited) with rock breakers including breaking rock, loading in tippers and disposal with intial lift of 3 m and lead up to 1000 mt, including trimming bottom and side slopes in accordance with requirements of lines grades and cross sections as per technical specifications clause 302.3.5 MORD/301 MORTH - Mechanical means.Note: 1 1. The quality, quantity and availability of rock shall be checked before affording credit. 2. In case some rock is issued to the contractor, rate as arrived per cum to that issued extent shall be deducted. 3. In case some rock is issued to the contractor at site , the item carriage shall be restricted / reduced to that extent. 4.Being small quantity, manual loading will be economical in this case and has been provided accordingly.

Filling with useful available excavated earth (excluding rock) in trenches, sides of foundations and basement with initial lead in layers not exceeding 15cm thick, consolidating each deposited layer by watering and ramming including cost and conveyance of water to work site and all operational, incidental, labour charges, hire charges of T&P etc., complete for finished item of work.Note: Cost of transportation of good quality earth has not been included. Only labour for carrying carted earth with a lead of 50m to the foundation pits has been taken in the rate. The cost of carted earth / sand may be worked out separately if the same is not available from adjoining area.

Conveyance of excavated surplus earth/debris to a distance 2 kms from the site of work at the place specified by the Engineer-in-Charge including loading and unloading etc., complete as directed during execution.

Filling of foundations and basement with best river sand in layers of not more than 15 cms. thick each well watered to saturation and consolidated including cost and conveyance of all materials, incidental charges etc., complete.

Cement Concrete (1:4:8) using 40 mm ( 0.54 Cum), 20 mm (0.27Cum) and 12 mm (0.09Cum)nominal size hard broken granite crushed metal from any source conforming to the relevant ISI standards for foundations etc., laid in layers of not more than 15 cm thick well compacted including curing, machine mixing cost and conveyance of all materials etc., complete.

Cement Concrete (1:3:6) using 20 mm (0.54 cu.m) and 12 mm (0.36cu.m) nominal size hard broken granite crushed metal from any source conforming to the relevant ISI standards for foundations etc., laid in layers of not more than 15 cms thick well compacted including curing, ,machine mixing, cost and conveyance of all materials etc., complete..

Supplying and fixing in position M.S Ornamental grills for windows and ventilators or for veranda openings using M.S. Flats, square rods, angles sheets etc., of approved design including necessary cuttings, bending fabrication, welding, grinding and finishing smooth including painting the grills with Two coats with Synthetic enamel paint Gr-I over a Primary coat (Red oxide metal primer) (total three coats) of approved make and colour including cost of making the holes into RCC or masonry works and making good the same wherever necessary, including cost and conveyance of all materials, incidental charges etc., complete.