Name of Work:- Maintenance work of Lawari to Dattarota motor road from Chakrata Lakhamandal motor road under One Time Maintenance.
Sl. No.
Item Description
1
Excavation in foundation for retaining, breast walls etc, in all types of soils and rocks including all lead, lift and disposal of surplus material as per direction of engineer - in - charge, as per drawing and technical specifications Clause 305.1 of MORD Specifiction
2
Clearance of land slides in soil and ordinary rock by a bull-dozer D 80 A-12, 180 HP and disposal of the same on the valley side complete as directed by the Engineer-in-charge.
3
Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions of galvanized steel, of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 3 mm for gabions, edge/selvedge wire diameter 3 . 9 mm and lacing wire diameter 2.2 mm. (The work includes filling boulders in the gabions).
4
WBM Grading 3Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading inuniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, ap p l y i n g an d brooming , crushable screening to fill-up the interstices of coarse aggregate , watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. By Mechanical Means
5
Low porosityProviding 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 0.70-1.0 kg/sqm using mechanical means as p er Technical Specification Clause 502
6
Providing and applying tack coat with Bitumen emulsion ( RS- 1 ) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.
7
20 mm thick Open Graded Premix Carpet using Bitumen Eulsion as per Technical Specification Clause 508.2
8
Seal CoatProviding and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 By Manual Means Case - II : Type B Bitumen (VG-10)
9
Surface Drains in Soil Construction of unlined surface drains of average cross-sectional area 0.18 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307. Mechanical Means Please Enable Macros to View BoQ information
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