M/T and maintenance of road in Shimla Town

Amount

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (i)By Mechanical Means (a)Cement Concrete.

Dismantling tiled floors laid in mortar upto all floor level including stacking of serviceable materials in departmental store to all leads and lifts with no extra cost and disposal of unserviceable materials upto all leads and lifts to a site approved by Municipal Corporation Shimla per directions of the Engineer-in-Charge. (Wooden/concrete joists to be measured and paid for separately)including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (a) For thickness of tiles above 40mm(forty milimetre) and upto 80mm(Eighty milimetre).

Preparation of sub grade by dressing to combor (Earth work for the cutting involved for sub-grade to be paid for separately depending upon the classification of soil completed as per HP PWD Specifications including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Consolidation of sub grade with road roller including making good the undulation etc. with earth or quarry soil etc. and re-rolling the sub-grade completed as per HP PWD specification including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and laying bituminous macadam with hot mix plant using crushed aggregates of grading as per Table 500.4 (Five hundred point four) premixed with bituminous binder, transported to site upto a lead of 1000 m(one thousand metre) laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction as per Technical Specification Clause 504 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90- 1.2 Kg./Sqm.( zero point ninety to one point twenty kilogram/square metre) using mechanical means as per Techanical Specification Clause 502 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and applying tack coat with paving Bitumen emulsion (RS-I) using emulsion distributor at the rate of 0.25 to 0.30Kg. per sqm (zero point two five to zero point three zero kilogram/square metre)on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and laying 30mm (thirty milimetre)thick bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes(seventy five tonnes) per hour crushed aggregates of specified grading, premixed with bituminous binder @ 5.40 to 5.60 per cent (five point four zero to five point six zero percent) of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No.508 including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and laying in position specified grade of reinforced cement concrete, including form work the cost of entering, huttering, finishing and reinforcement - All work up to plinth level including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.(i)1:1.5:3 (one cement : One point five coarse sand): three graded stone aggregate 20 mm(twenty milimetre) nominal size)

Steel work welded in built up sections, trusses and framed work including cutting hoisting fixing in position and applying a priming coat of red lead paint including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (a) In gratings, framed guards bars ladders, railing, brackets and similar work.

Sandeep Chandel