Investigation for construction of checkdam cum causeway at Valakkayam across Manimala river in Erumely and Chirakkadavu panchayath

Amount

TOPOGRAPHIC SURVEY

56.13 : Providing access to the site clearing site and making good for surveying in order to provide clear line of site devoid of any hindrance due to vegetation etc. and clearing areas for station points (This item is applicable only for sites without access such as in case of new road formation,bridge and building sites at in accessible locations)

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 )

60.11.1 : FIXING TBM- Supplying and fixing TBM with RCC 1:1.5:3 pillar block having a size of 30*30*75 cm, steel reinforcement for RCC work, painting top and sides of pillar with synthetic enamel paint, lettering in the pillar block with 8cm high "TBM" on one face and the reduced level on the outer face, etc complete, fixed in CC1:3:6 using 40 mm metal 55*55*60 cm etc complete and centering and shuttering including strutting , propping and removal of form work for pillar and foundation.

od24559/2021_2022/IA : TOPOGRAPHIC SURVEY- Conducting topographic survey in banks of river & difficult terrain and preparing contour map showing 2m interval contour using total station with DGPS or other such combinations showing all topographic features like buildings, wells, waterways/ water bodies 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 (plan, cross section, longitudinal section, etc ) in digitized as well as hard copy ( 5 Nos). Out turn 3 ha/day.

od24560/2021_2022/IA : TOPOGRAPHIC SURVEY IN RIVER-Conducting topographic survey in river , preparing contour maps showing 2m interval contours 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 manmade structures such as bridges, transmission lines, water carriage systems, etc, submission of survey reports with maps (plan, cross sections, longitudinal sections etc), plan in 1:1000 scale , Cross Section H:1000 and V:100 indicating the contour lines 2m interval,in digitized forms including supplying 5 soft copies CD/DVD, 5 hard copies of print outs etc complete. In river portion ? out turn 2 ha/ day

MOBILIZATION

56.1.a : Mobilization including transportation of all necessary plan and equipment's and materials of boring field testing and sampling and demobilization after completing the workFor 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.

BORING ON BANKS

56.3.a.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 upto 10m. Including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.For ordinary soil.

BORING UNDER WATER

56.9.1 : Erecting platform over 2 nos of 2nd Class Boat USING Mango wood planks of of not less than 30 mm thick, Mango wood joists of 100mm x 70mm at 60cm intervals including labour and hire of all materials and dismantling the platform after completion of work etc complete excluding hire of boats (A Platform of Minimum size 6.00m x 5.00m will be required)Erecting platform over 2 nos of 2nd Class Boat USING Mango wood planks of of not less than 30 mm thick, Mango wood joists of 100mm x 70mm at 60cm intervals including labour and hire of all materials and dismantling the platform after completion of work etc complete excluding hire of boats (A Platform of Minimum size 6.00m x 5.00m will be required)

56.10 : Hire charges for providing 2 nos of 2nd Class boat with boatman for erecting the platform over which the boring plant is to be erected, and 1 no of 2nd Class boat with 1 boatman for conveying the departmental staff and labour engaged from the banks to platform and back etc.

56.3.a.2 : Boring with rotary power drilling equipment in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata upto 10m. Including conducting necessary S.P.T and recovery of un disturbed 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 and banks of river.

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 tests (report in triplicate)Additional set for machine boring(extra 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.

CORE BOXES

od24558/2021_2022/IA : 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.

GOPALAN KUNJUNJ

Bidder Name

GOPALAN KUNJUNJ

Renji Joseph Manimalethu