Irrigation Department Tender

SOIL COLLECTION AND TESTING

OD14780/2024-2025:CBR-COLLECTION OF SUBGRADE SOIL SAMPLE AT 500M INTERVAL CAREFULLY BY EXCAVATING PIT OF AREA 1.0*0.6M THROUGH OVERLYING BITUMINOUS AND GRANUALAR LAYER OR FROM SUBGRADE OF FORMATION AREA AS DIRECTED BY THE ENGINEER IN CHARGE FOR LAB TEST AND FILLING BACK AND COMPACTING THE EXCAVATED PIT TO LINES AND LEVELS WITH EXCAVATED MATERIALS AS DIRECTED BY THE DEPARTMENTAL OFFICER AT SITE.

OD14712/2024-2025:CONDUCTING SOIL CLASSIFICATION TEST, STANDARD PROCTER TEST AND CBR TEST AS PER THE IS CODE GUIDELINES AND MAKING REPORT OF ONE SOIL SAMPLE.

TOPOGRAPHIC SURVEY

OD14786/2024-2025:Detailed topographic survey using total station /mobile lider and preparation of site plan of minimum 10M on either side of center line and taking cross section details at 15M intervals on straight roads and 10M interval on curves (survey includes details of all features as mentioned in the scope of plain terrain work with in the limit of survey).The survey shall include establishing DGPS control points at starting and ending of the project in pairs and at 4KM intervals(in pairs) in plain and rolling terrain and 2.5KM intervals (in pairs) in hilly terrains. It shall also include establishing inter visible 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 and GTS bench marks using precision levelling. Separate BM need not be established including taking sufficient copy prints(5nos)

OD14785/2024-2025:Establishing DGPS control points on TOR steel bar of 10mm dia fixed in RCC pillar of size 20 x 20 x 70 CM embedded in concrete M15 up to a depth of 40 CM and the balance 30CM above the ground shall be painted yellow.

OD14784/2024-2025:Establishing traverse control points with elevations on pillar of size 15 x 15 x 60 CM M20 grade RCC pillar with a nail fixed on top surface. The pillar shall be embedded in the concrete. Spacing 250M apart as BM -CONTROL PILLAR. The spacing shall be maximum 250M apart and intervisible. No separate BM need to be established.

OD15023/2024-2025:Preparation of Detailed Project Report including detailed estimate of the road works containing alignment plan, contour plan , index map, longitudinal and cross section of road and structural drawing and CD works, calculation including neat filing and supplying five set DPR etc. as per the directions of the departmental officers, and based on the recommendations from test results