GENERAL Improvements to Vettikkattumukk Junction in Thalappara Neerppara Road Civil work Investigation Work

OD141241/2026-2027:Detailed topographic survey using Total station/mobile Lider and preperation of site plan of minimum of 15m on either side of the centre line and vtaking cross section details at 25m intervals on strait roads and 10m interval on curves ( survey includes detailes of all features as mentioned in the scope of the in plain terrain work within the limit of survey). The survey shall be includ establishing DGPS Control points at starting and ending of the project in pairs and at 4Km intervals (in pairs) in plain and rolling terrainand 2.5Km intervals ( in pairs) in hilly terrains. It shall also include establishing traverse control points note more than 250m apart with accuracy at least 1:10000 and desirable 1:20000 in distance measurement. Elevations on each of the control points connected to MSL of GTS Bench marks. Using precition levelling. Seperate bench marks need not be established. Including Taking sufficient Color coy prints (5nos)

OD141240/2026-2027:classified traffic count for midblock section Taking classified traffic count at selected location for 7 days 24 hours continuously by recording the classifed volume count in the prescribed format, including provision for engaging technicians and setting up of station etc. and compiling the data and submitting the same in hard and soft copy etc. complete as per the instructions of PWD officials

OD141236/2026-2027: Turning movement survey at FOUR ARM Junction "Conducting turning movement survey at junction for one day for peak hours (7am to 11 am and 3.30 pm to 7.30 pm) by recording the classifed volume count in the prescribed format, including provision for engaging technicians and setting up of station etc and compiling the data and submitting the same in hard and soft copy etc. complete as per the instructions of PWD officials"

OD141238/2026-2027: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 50m 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 attched,pavement conditions(details of potholes, raveling, fog seal,slurry seal edge damage etc)raod 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

OD141242/2026-2027:Study of pavement composition by cutting open pit at tar edge to get the details of layers (thickness and type ) of pavement composition - at one location as suggested by the engineer in charge carefully by excavating pit of area 1.00x 0.60m through overlaying bituminous and granular layer including BC, DBM/BM, WMM and GSB at tar edge and refilling and compacting the excavated pit to lines and levels with excavated materials as directed by the departmental officers at site and reporting the pavement composition with photographs and measurements specifying the type of layers