PROVN OF ROAD CULVERT BETWEEN SQN AREA TO MT AREA OF ENGR SQN AT RATNUCHAK MIL STN UNDER GE KALUCHAK

Amount

Surface excavation not exc. 30 cm deep and averaging 15 cm deep and getting out in any type of soil complete all as specified.

Surface dressing not exceeding 15 cm deep a and getting out in any type of soil in road side berms including all necessary cutting/ filling and finish to require level complete, all as specified and as directed by the Engr-in-Charge.

Earth work in excavation by mechanical means (Hydraulic excavator) means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5m, complete, all as specified and as directed by the Engr-in-Charge.

Description all as per srl item No 3 above depth exceeding 1.6 m and not exceeding 3 m complete, all as specified and as directed by the Engr-in-Charge.

Forming embankments including raising (or lowering) earth, spreading in layers n exc. 30 cm thick; watering, ramming/rolling and finishing to required size, shape, etc., n exc. 1.5 m high from base complete all as specified and directed

Rolling and consolidating formation surfaces in cutting with power roller of capacity 8 -12 tonne, complete all as specified and directed.

Returning, filling in (soil) including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick in any type of soil,complete all as specified and as directed by Engr-in-Charge.

Removing excavated material n exc. 50m and depositing where directed at a level n exc.1.5 m above the starting point, complete all as specified and as directed by Engr-in-Charge.

Soling (or sub base) 150 mm spread thickness with broken boulders or quarried stone of size 90 to 63 mm, interstices filled, surface formed and rolled and consolidated to required gradient and camber using 8 to 12 tonne power roller complete all as specified and directed.

150mm thick compacted thickness Water Bound macadam (in two equal layers each layer to be compacted separatey) with coarse aggregate of granite, trap or basalt stone of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled with power roller 8 to 12 tonne to required gradient and camber, complete all as specified.

Preparing WBM surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with mechanical air blower to remove all loose dirt/foreign materials and applying evenly a priming tack coat with bituminous primer (Paving Bitumen of Viscosity Grade VG-30) at the rate of 10 Kg per 10 Sqm of surface laying bituminous premix asphaltic semi dense concrete 40 mm consolidated thickness with 5.5 % binder content of viscosity grade VG 30 by weight of total mix and 4% stone dust conforming to specification for filler as per IRC-95, 1987 (filler) prepared in hot mix plant, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and using 8 to 10 tonne power roller, complete all as specified and as directed. Note:-The minimum consolidated thickness will be 40mm. However it may be increased at places to maintain the camber as per the site requirement and nothing extra shall be admissible on this account. The contractor must visit the site before quoting their rates.

Note for item No. 11: (a) Contractor must specifically take into account provision of Note 35 of Sch 'A' Notes and clause 4.1.5.1 of particular specifications in addition to other terms and condition of the tender before quoting the BOQ. (b) If qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs 45.00 Per Kg and if qty of binder contents is more than the qty as specified in respective items of BOQ no adjustment shall be made.

Continuous brick edging, with width equal to the width of the brick, laid dry on end vertically with burnt clay bricks of sub class 'B' bricks, complete all as specified and directed.

Plain cement concrete 1:3:6 type C-2 (using 40mm graded crushed stone aggregates) as in foundation, filling and mass concrete, complete all as specified and as directed by Engr-in-Charge.

Brick work with old size sub class 'B' bricks having crushing strength not less than 75 Kq/Sqm, straight or curved on plan exc 6 m mean radius built in cement mortar 1:4, complete all as specified and as directed by Engr-in-Charge.

15 mm thick rendering on fair faces of brick /concrete on wall including in cement mortar 1:4 and finished even and smooth without using extra cement ,complete all as specified and as directed by Engr-in-Charge.

Preparation new surfaces plastered or unplastered surfaces of wall and applying three coats of white wash complete all as specified.

Reinforced concrete pipes, class NP-2 with one collar per length of pipe, bore of pipe 300mm, complete all as specified and as directed by Engr-in-Charge.

Marking lines, dashes, arrows etc, nexc 10cm wide on road surfaces, using hot applied thermoplastic road marking paint, mixed with radium glass beads @ 250gm/sqm, with automatic machine to provide reflectivity and night vision (appx temp being 200 degree C at the time of laying) including cleaning the surface of all dirt, dust and other foreign material, demarcation at site and traffic control etc, complete all as specified and as directed.

s s construction