Restoration of Helong Urgam Motor Road

Amount

Clearence of Land slides (Site Clearence )

Clearing of land slide in hard rock requiring blasting for 50 per cent of the boulders and disposal of the same on the valley side (Using bulldozer) complete as directed by the Engineer-in-charge.

Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat with bitumen emulsion, 20 mm thick pre-mix carpet using catonic bitumen emulsion and seal coat type B with bitumen emulsion

Protection work

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

Random Rubble Stone Masonry laid in 1:6 cement and sand mortar, in breast walls, retaining walls, parapets, scuppers, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specifiction

Random Rubble Stone Masonry laid Dry, in breast walls, retaining walls, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specifiction

Hand Packed stone filling in back of wallls including cost of all materials, royality, T&P etc. complete as per direction of Engineer-in- charge. (As per PWD Uttarakhand specifications)

Cement plum masonry with 40% plum & 60% 1:3:6 cement concrete including supply of all materials, labour, T& P etc, required for proper completion of work as per approved drawing and technical specifications clause 802,803,1202,1203 of MORD secification.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire (@ 32 Kg/ 10 Sqm) conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions (Zinc plus PVC coated), of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 2.7mm/3.7mm, edge/selvedge wire diameter 3.4/4.4 mm and lacing wire diameter 2.2/3.2 mm. (The work includes filling boulders in the gabions)

Surface Drains in Soil Construction of unlined surface drains of average cross-sectional area 0.40 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.

Plain cement concrete M10 Grade

Plain/ Reinforced cement concrete in substructure complete as per drawings and technical specifications Clauses 802,804,805,806,807,1202 and 1204, PCC grade M-20- Nominal mix (1:2:4)

Trimming of grass and weeds from the shoulders/berms and disposing off the same to suitable locations as per technical specifications Clause 1914

Granular sub-base/surface sourse with local materials (Table 400.13) by mix in place method normal construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotavator at once and compating with smooth weeled roller to achieve the disired density complete as per clause 401.1 and as per technical specification clause 408 (Usually naturally occuring gravel)

tikam singh rana