GENERALThalayar scheme Pambar Basin Project Investigation Survey for the construction of canal system under Lower Chattamunnar Dam Investigation Work

Amount

Investigation Survey

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.

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 )

OD12307/2023-2024:Conducting topographic survey in river at difficult condition such as Presence of big rocks and boulders ,presence of Steep slopes ,high depth,presence of surface currents and under currents and shallow depth with slushy bed. for taking cross sections at suitable intervals and preparing contour maps showing 2m interval contours 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),indicating the contour lines 2m interval in digitized forms including supplying 6 numbers of soft copies CD/DVD ,6 numbers of hard copies of print outs etc complete as per the direction of departmental officers at site (outturn 3hect /day)

OD11826/2023-2024:Conducting topographic survey in banks of river at difficult condition /hilly terrain for taking cross sections at suitable intervals and preparing contour maps showing 2m interval contours 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),indicating the contour lines 2m interval in digitized forms including supplying 6 numbers of soft copies CD/DVD ,6 numbers of hard copies of print outs etc complete as per the direction of departmental officers at site (outturn 2 hect /day)

OD12339/2023-2024:Conducting topographic survey in Ayacut area for taking cross sections at suitable intervals and preparing contour maps showing 2m interval contours 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),indicating the contour lines 2m interval in digitized forms including supplying 6 numbers of soft copies CD/DVD ,6 numbers of hard copies of print outs etc complete as per the direction of departmental officers at site (outturn 6 hect /day)

56.14.a:Cross sectional details - River.

56.14.b:Cross sectional details - Thodu.

56.15.a:Hydraulic Velocity Calculation - River.

56.15.b:Hydraulic Velocity Calculation - Thodu.

G S Infrastructure

MOHANAN P

VINAYA KRISHNAN

SALMANUL FARIS

GOPINATHAN P

Shear Investo

Bidder Name

GOPINATHAN P

MOHANAN P

G S Infrastructure

SALMANUL FARIS

Shear Investo

Paul Alias

VINAYA KRISHNAN