Annual repair and maintenance of Mamligh Domehar Road Km.0/00 to 9/400

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1km (by mechanical means) as per the direction of the Engineer-in-Charge including carriage of material through all modes of transportation within all leads and lifts and other incidentals.

Earthwork in excavation for all type of road structures such as retaining wall, breast wall, culvert, drain and parapets etc. in all type of classification of soil comprising of ordinary soil, ordinary rock, hard rock chiesling / wedging out rocks (where blasting is prohibeted). Dimesions and other particulars as per drawing and Technical Specification Clause 305.1(Three hundred Five point One) including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and its disposal including dressing of sides and bottom and backfilling in trenches with excavated suitable material, trimming, filling of unevenness blindages and finishing of the road to specified dimensions. All work of excavation by blasting shall be carried out by taking all necessary precautions against soil erosions, damage to hill side, water pollutions etc., and to protect stability of hill side rock. Stacking of materials useful for construction at suitable sites and safe disposal of unserviceable excavated materials in specified manners to dumping site (to be arranged by the contractor) or as directed by the Engineer-in-Charge. Any loss to the public or private property during the course of execution shall be the sole responsibility of the contractor, which shall have to be duly compensated by him at his own cost of all cases.

Providing and laying plain cement concrete Grade M- 10 (Ten) nominal mix 1:3:6 (one cement isto three sand isto six graded crushed hard stone aggregate 40mm ( forty millimetre) nominal size) mechanically mixed, vibrated and curing complete in open foundations including form work as per drawings and MORDTechnical Specifications Clause 802, 803, 1202 and 1203 (Eight hundred two, eight hundred three, one thousand two hundred two and one thousand two hundred three) and as per the direction of the Engineer-in-Charge including carriage of material through all modes of transportation within all leads and lifts and other incidentals.

Providing and laying Plain Cement Concrete nominal mix 1:4:8 (one cement isto four sand isto eight graded stone aggregate 25mm (twenty five milimeters) nominal size) Mechanically mixed and vibrated for plain/reinforced concrete and curing complete in open foundations and plinths for all type of structure including the cost of form work complete as per drawing and MORD Technical Specification clause 802, 803, 1202 and 1203 (Eight hundred two, eight hundred three, one thousand two hundred two and one thousand two hundred three) or as directed by the Engineer-in-Charge including carriage of materials with in all leads and lifts and other incidentals.

Providing weep holes in brick masonry/stone masonry/plain reinforced concrete abutment, wing wall, return wall with 100mm (one hundred millimeter) dia PVC pipe extending through the full width of the structure with slope of 1:20 (One verticle isto twenty horizontal) towards drawing face complete as per drawing and technical specification clause 614, 709, 1204.3.7(six hundred fourteen, seven hundred nine, one thousand two hundred four point three point seven) or as directed by the Engineer-in-Charge including carriage of materials with in all lead and lift and other incidentals.

Backfilling behind abutment, wing wall and return wall, breast walls, retaining walls and parapets up to all heights, depths and levels complete as per HP.PWD. Specification clause 1204.3.8 (one thousand two hundred four point three point eight) Granular material, including carriage of all labour equipment and material to various locations through all modes of transportation in all lead and lift and all incidental charges.

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earthwith lead upto 50 metres.

Providing and laying, spreading by mechanical means and compacting stone aggregates of Grading- I, 90mm to 45mm (Ninty milimeters to fourty five milimeters) size @ 1.21 cum ( one point two one cubic meters) per 10 (ten) square meters to compacted thickness of 100mm (one hundred milimeters) to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 (eighty to hundred) kN static roller in stages to proper grade and camber, applying and brooming, stone screening of type A of size 13.2mm (thirteen point two milimeters) @ 0.27 (point two seven) cubic meters per ten square meters and binding materials @ 0.080cum ( point eight cubic meter) per 10 (ten) square meters to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 1 as per MORD Technical Specification Clause 405 (Four hundred five) and entire satisfaction & direction of Engineer-in-Charge, including carriage of all labour, equipments and materials to various locations through all modes of transportation in all lead & lifts and all incidental charges.

Providing and laying, spreading by mechanical means and compacting stone aggregates of WBM Grading- II i.e. 63mm to 45mm (sixty three milimeters to fourty five milimeters) size @ 0.91cum ( point nine one cubic meters) per 10 (ten) square meters upto compacted thickness of 75mm (seventy five milimeters) including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 (eighty to hundred) kN static roller in stages to proper grade and camber, applying and brooming, stone screening of type B of size 11.2mm (eleven point two milimeters) @ 0.20 (point two ) cubic meters per ten square meters and binding materials @ 0.060cum ( point zero six cubic meter) per 10 (ten) square meters to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading II as per MORD Technical Specification Clause 405 (Four hundred five) upto entire satisfaction of Engineer-in-Charge, including carriage of all labour, equipments and materials to various locations through all modes of transportation in all lead & lifts and all incidental charges.