KIIFB Four Laning of Poothotta S N Junction Ettumanoor Ernakulam Road Phase I Preparation of revised DPR Topographical survey Investigation Work

Amount

Topographical Survey Markings

OD182101/2023-2024 Providing and fixing RCC pillars for DGPS control points of size 300mmx300mm, 450mm long, 250mm above ground level and 200mm below GL. casted in M20 Grade concrete reinforced with 4 nos of 8mm dia longitudinal bars and 6mm dia stirrups @ 150mm c/c, firmly fixed in position by means of foundation of size 0.5mx0.5mx0.15m in M15 grade concrete below ground level including painting 2 coats on exposed surface with synthetic enamel paint

OD182102/2023-2024 Providing and fixing RCC pillars at every 250 m interval along the road, of size 150mmx150mm, 450mm long, 250mm above ground level and 200mm below GL. casted in M20 Grade concrete reinforced with 4 nos of 8mm dia longitudinal bars and 6mm dia stirrups @ 150mm c/c, firmly fixed in position by means of foundation of size 0.3mx0.3mx0.15m in M15 grade concrete below ground level including painting 2 coats on exposed surface with synthetic enamel paint

OD183699/2023-2024 Engaging man mazdoor for clearing the site for surveying

DGPS Survey,Total station survey

OD182103/2023-2024To carry out DGPS survey to establish primary control points - it includes observation of raw data by using dual constellation GNSS receiver, processing, net work, adjustment and submission of data in WGS 84 datum and UTM/TM projection system including traverse report ( One intervisible pair per 5 Km)

OD182104/2023-2024 To carry out Traverse to establish horizontal control traverse stations on the proposed road stretch running through from one DGPS station at every 2.50 km using electronic total station instrument at maximum of 250 m imnterval with an accuracy of 1 in 20000 which includes submission of hard and soft copies as per IRC standards

OD182105/2023-2024 Fly levelling to shift levels from given Bench mark value to next Bench mark station to horizontal traverse station and available permanent structures all along the road for the elevation purpose by closed circuit which includes submission of the hard and soft copies as per IRC Standards

OD183627/2023-2024 Total station surveying and preparation of site plan-plain built up area with hindrance to line of sight due to buildings/structures

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

SALMANUL FARIS

Techno VIsionSurveys and Mapping Co PVT LTD