KIIFB Hill Highway Improvement to Myladumpara Puliyanmala Road Investigation work

Amount

Total station survey

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).

56.12.c Total station surveying and preparation of site plan - In hilly terrain

DGPS Survey

OD153959/2023-2024 Providing and fixing RCC pillars for DGPS control points of size 30 cm x 30 cm, 50 cm long, 10 cm above ground level and 40cm below ground level casted in M20 Grade concrete reinforced with 4 nos of 8 mm dia longitudinal bars and 6mm dia stirrups @ 15 cm c/c, firmly fixed in position with M15 grade cement concrete of size 50 cm x 50 cm x 20 cm below ground level including painting 2 coats on exposed surface with synthetic enamel paint

OD153958/2023-2024 Providing and fixing RCC pillars at every 250 m interval along the road, of size 15 cm x 15 cm, 45 cm long, 15 cm above ground level and 30cm below GL. casted in M20 Grade concrete reinforced with 4 nos of 8mm dia longitudinal bars and 6mm dia stirrups @ 15 cm c/c, firmly fixed in position with M15 grade cement concrete of size 35 cm x 35 cm x 20 cm below ground level including painting 2 coats on exposed surface with synthetic enamel paint

OD153960/2023-2024 To carry out DGPS Survey to establish primary control points - it includes observation of raw data by using dual constellation GNSS receiver, processing, network, adjustment and submission of data in WGS 84 datum and UTM/TM projection system including traverse report (One inter visible pair per 5Km)

OD153961/2023-2024 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 interval with an accuracy of 1 in 20000 which includes submission of hard and soft copies as per IRC standards

OD153962/2023-2024 Fly leveling to shift levels using Auto level 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

Inventory survey

OD143539/2023-2024 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

Liju D John

VINAYA KRISHNAN

NIYAS K

G S Infrastructure

GOPINATHAN P