GENERAL-Jal Jeevan Mission-Investigation estimate for the construction of Check dam across Manimala river near KWA Pump house in ward 12 of Anicad panchayat in Mallappally Taluk-Investigation Work

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.

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 )

OD37598/2024-2025: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

OD37599/2024-2025: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

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.

56.9.1:Erecting platform over 2 nos of 2nd Class Boat using Mango wood planks of not less than 30 mm thick, Mango wood joists of 100 mm x 70 mm at 60 cm 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 6.00 m x 5.00 m will be required)