KIIFB 2017 18 Construction of Wadakkanchery Byepass in Wadakkanchery LAC Topographical survey Investigation Work

Amount

Topographical Survey Markings

OD204021/2023-2024 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

OD204022/2023-2024 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

OD204023/2023-2024 Engaging man mazdoor for clearing the site for surveying

DGPS Survey,Total station survey&Inventory

OD204017/2023-2024 To 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)

OD204018/2023-2024 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

OD204019/2023-2024 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

OD204218/2023-2024 Total station surveying and preparation of site plan-plain built up area with hindrance to line of sight due to buildings/structures

OD204217/2023-2024 Data for inventory survey upto 12 meter wide road for survey work of collecting road inventories and recording in prescribed format attached based on chainage marking including marking chainage at 50 m interval and taking details such as existing carriageway width,shoulder width,type of shoulder,width and location of approach road, details of existing drains, culverts and bridges as given in the format attached, pavement conditions(details of potholes,raveling,fog seal,slurry seal edge damage etc)road safety measures (details of road sign, crash barriers,guard stones,delineator post,hazard markers etc)and all other existing retaining structures in road including documentation charges etc as per direction of the officers at site

56.14.a Cross sectional details - River.

56.15.a Hydraulic Velocity Calculation - River.

Liju D John

SALMANUL FARIS

NIYAS K

BJDS INFRASTRUCTURES AND PROJECTS PRIVATE LIMITED

G S Infrastructure

AA AND S CONSTRUCTIONS