Drifting work for Geotechnical Investigation at Lakhwar - Vyasi (300MW) and Vyasi - Katapathar (150MW), Integrated PSP, Distt-Dehradun, Uttarakhand

Making investigation of drift of size 1.80 m X 2.10 m of desired length at various locations including over break in all type of rock (including hard rock), construction of portal/face, cost of blasting materials, explosive and its arrangement operational cost and labour, including disposal of excavated material, dewatering if required, lighting arrangement and running cost of compressor and its accessories, adequate ventilation etc. with all labour, material and T&P required for proper completion of work.

Supply, making and fixing complete timber support system at various location (as desired by the Engineer- in-Charge) in investigation of drift size 1.80 m X 2.10 m including cost of chir wood, local wood, sleepers of size 25 cm X12.50 cm sections, its carriage upto the siteof work including the size of iron strips, nails, black paint, with all labours, materials and T&P etc. required for proper completion of work.

Increase in size of drift at various location in all types of soil / rock (including hard rock), cost of blasting materials, explosive & its arrangements, operational cost and labour including disposal of excluded materials, lighting arrangement and running cost of compressor and its accessories, adequate ventilation with all labours, material and T&P required for proper completion of work.

Geological Logging/ 3D Logging of drift as per Indian Standard and submission of report in all respect.

Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3 (For foot track and other works )

Construction of coolie walling including supply of all material, labour, T&P etc. required for proper completion of the work as per direction of Engineer-in- Charge. (As per PWD Uttarakhand specifications) (Coolie walls)

Random Rubble Stone Masonry laid in 1:6 cement and sand mortar in breast walls, retaining walls,parapet,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) (For muck disposal site & protection)

Providing concrete P.C.C grade M 10 Nominal mix 1:3.6 (Hand mixing) in open foundations complete as per drawings and technical specifications (Clauses 802, 803, 1202 & 1203) (Rataining wall & Breast wall )

Providing concrete P.C.C grade M 20 Nominal mix 1:2.4 (Hand mixing) in open foundations complete as per drawings and technical specifications (Clauses 802, 803, 1202 & 1203)

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