GENERAL-CAUVERY BASIN KABANI SUB BASIN KADAMANTHODE MEDIUM IRRIGATION PROJECT -PRELIMINARY TOPOGRAPHIC SURVEY IN PULPALLY G P W A Y A N A D D I S T R I C T - INVESTIGATION-Investigation Work

Amount

TOPOGRAPHIC SURVEY

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 )

OD17008/2023-2024:Conducting topographic survey in river/thodu at Difficult condition/hilly terrain for taking cross sections at suitable intervals using Total Station or such approved methods showing all topographic features like culverts and crossings, survey stones and other permanent objects and the preparation and submission of maps at suitable scale (Plan, Cross sections, longitudinal sections etc.) ,in digitalized forms including supplying7 numbers of soft copies CD/DVD,7 numbers of hard copies of print outs etc. complete as per the direction of departmental officers at site (Out turn 3 hect./day ) (a) L-Section (i) Upstream L-Section up to MWL + 5m or to a point up to which the back water effect is likely to extend from the axis of the structure, whichever is less. In case of any head works situated upstream within MWL + 5m or the farthest point affected by back water, L-Section to be taken up to the head works H 1:10000,V 1:100 (ii) Downstream From the axis of the structure up to river mouth at confluence point of Kabani river Horizontal 1:10,000, Vertical 1:100 For U/S and D/S Levelling at 15 m or less interval along the fair weather deep channel. Following items shall be indicated on L Section: 1) Date of survey of the particular reach and water level on that day. 2) Deep pools and rapids including their bed, bed levels, rock outcrops, etc. 3) Maximum Historical observed HFL. (b) X-Section (i) U/S at 15 m interval up to MWL +5 m or 1 km on either side of firm bank whichever is less and for a distance of 2km from the axis of structure and thereafter at 1 km interval corresponding to the length of L section , (ii) D/S @ 15 m interval upto historical/observed HFL + 1 m on either side of firm bank for a distance of 2 to 5 km from the axis of the structure depending upon the meandering nature of the river. Horizontal 1:2,000 Vertical 1;100 (iii)Along the axis of the structure Horizontal 1:1,000 Vertical 1;100 For U/S D/S and axis of structure , Levelling at 15 m or less interval Following items shall be indicated on X section (a). Date of survey and water level on that day (b).Minimum water level (c) Max historical/ observed HFL, (d) Rapids and rock outcrops etc

OD17010/2023-2024: Conducting topographic survey at Difficult condition/hilly terrain for taking cross sections at suitable intervals and preparing contour maps as per the requirements of the departmental officers using aerial LIDAR technology as per the detailed scope of work .showing all topographic features like buildings roads, drains, bridges, culverts and crossings, survey stones and other permanent objects and preparation of area volume details as required of proposed reservoir area and submission of maps at suitable scale (Plan, Cross sections, longitudinal sections etc. as required) ,in digitized forms including supplying 7 numbers of soft copies CD/DVD, 7 numbers of hard copies of print outs etc. complete as per the direction of departmental officers at site . for surveying and preparation of site plan in hilly terrain at reservoir area Contour plan covering an area up to an elevation of MWL + 5m H 1:100 or less,Contour interval at 0.50m or less

OD17011/2023-2024:Conducting topographic survey at Difficult condition/hilly terrain for taking cross sections at suitable intervals and preparing contour maps as per the requirements of the departmental officers using aerial LIDAR technology as per the detailed scope of work showing all topographic features like buildings roads, drains, bridges, culverts and crossings, survey stones and other permanent objects and preparation of area volume details as required of proposed reservoir area and submission of maps at suitable scale (Plan, Cross sections, longitudinal sections etc. as required) ,in digitized forms including supplying 7 numbers of soft copies CD/DVD, 7 numbers of hard copies of print outs etc. complete as per the direction of departmental officers at site . for Dam survey in 10m grids Topographic plan of the site with contours, covering the area up to 4 H on upstream and downstream of the axis OR a minimum of 250 m on the upstream and 500 m on the downstream of the axis, and extending up to MWL + 2H where H is the height of dam (tail channel area shall be adequately covered).H 1:100 or less, Contour interval at 0.50m or less.

OD17012/2023-2024:Conducting topographic survey at Difficult condition/hilly terrain for taking cross sections at suitable intervals and preparing contour maps as per the requirements of the departmental officers using aerial LIDAR technology showing all topographic features like buildings roads, drains, bridges, culverts and crossings, survey stones and other permanent objects and preparation of area volume details as required of proposed reservoir area and submission of maps at suitable scale (Plan, Cross sections, longitudinal sections etc. as required) ,in digitized forms including supplying 7 numbers of soft copies CD/DVD, 7 numbers of hard copies of print outs etc. complete as per the direction of departmental officers at site . for Canal survey with (i) L-section levelling at 15 m interval (ii) Cross-section at 15m interval (iii) Strip Contour Plan covering 150 m on either side of the centre line of the canal or depending upon the requirement whichever is more Horizontal and vertival1:100 or less contour interval at 0.50 m

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

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.

Techno VIsionSurveys and Mapping Co PVT LTD

Goodland Surveys Pvt Ltd

Bidder Name

Techno VIsionSurveys and Mapping Co PVT LTD

GROWEVER INFRA PRIVATE LIMITED

Goodland Surveys Pvt Ltd