GENERAL-Jal Jeevan Mission - Investigation estimate for the construction of Weir in Achenkovil river near Thompil kadavu in Chenneerkkara panchayat -in Aranmula constituency-Investigation Work

Amount

Appendix A- Investigation work

2.32:Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

50.2.33.5:Cutting branches of trees overhanging above any structures of girth between 40cm to 60cm including stacking of serviceable materials and disposal of unserviceable material, cost of labour, hire charges of rope and pully etc without making any damages to nearby structures etc complete.

60.11.2:Taking FLY LEVELS- from the nearest GTS BM and closing on the starting BM including conveyance of instruments etc along road or in heavily built up area or in roads with heavy traffic or in thick jungle ( out turn 4000 m / day )

OD29196/2022-2023:Topographic survey -conducting topographic survey in banks of river and difficult terrain and preparing contou map showing 2m intervel contour using total station with DGPS or othe such combinations showing all topographic features like buildings wells ,waterways/waterbodies like ponds ,canals,railway tracks,major and minor roads ,culverts and crossings telephone post and transmission towers of the entire area covered and submission of survey reports with maps (Plann,cross section,longitudinal section etc )in digitalized as well as hard copy (5NOs)out turn 3Ha /day

OD29197/2022-2023:TOPOGRAPHIC SURVEY IN RIVER -Conducting topographic survey in river,preparing contour maps showing 2m interval countours using Total station with DGPS or its combinations thereof,taking cross sections at every 10m interval,showing other topographic features like inlet of other water ways,other man made structures such as bridges,transmission lines,water carriage systems etc. submission of survey reports with maps (plan,cross section,longitudinal sections etc.)plan in 1:1000 scale (standard A0).Cross section H:1000 and V:1000(StandardA1) including the contour lines 2m interval in digitized forms including supplying 5 soft copies CD/DVD ,5 Hard ciopies of print outs etc complete.in river portion out turn 2 ha/day

Appendix B- Mobilization

56.1.a:Mobilization including transportation of all necessary plant and equipment's and materials of boring, field testing and sampling and demobilization after completing the work - For machine boring

56.2.a:Setting up boring at each bore hole locations including carrying all necessary plant, equipment and materials of boring and field tests and collection of samples at each bore hole location - For machine boring.

Appendix C- Boring in Banks

56.3.c.1:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

Appendix D- Boring under water

56.3.c.2:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water.

56.4:Boring through all type of hard rock or similar refusal strata of N value greater than 50 using diamond core drilling bit for in land under water and banks of river.

OD29198/2022-2023:CORE BOXES-of size 150*27*5.3 cm(4 slots for each box) including packing of samples with proper cushioning to avoid further damage during transportation.

Appendix E -Preparation of DPR

56.11.a:Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring for 5 bore holes.

56.11.c:Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring - Extra for additional set for bore holes exceeding 5 nos.

56.16:Preparation of Detailed Project Report of the bridge works containing alignment plan, key plan, contour plan , index map, longitudinal and cross section of road and River/Thodu cross section of bridge hydraulic and velocity calculations including neat filing and supplying five set DPR etc. as per the directions of the departmental officers.

G S Infrastructure

Greeshma Nizy Eujine

Bidder Name

P.T.JAYARAJ

G S Infrastructure

Greeshma Nizy Eujine