PROVN OF CENTRAL SAINIK INSTITUTE AT SRIGANGANAGAR MIL STN

Sub soil investigation for determination of safe bearing capacity of soil Each as per IS 1892-1979 by standard penetration test as per IS-2131- Job 1981(reaffirmed 2002) up to 10 meter depth including all necessary boring, collection of distrubed/un disturbed soil samples, cohesion and angle of friction and evalution of SBC, settlement studies, giving recommendations of SBC and shear failure and submission of report in six copies. Soil investigation report as per IS code in general and containing the following in particular :- The following parameters must be included in the Geo-Exploration Report: (a) RL (Reduced Level) of ground and founding levels with respect to a benchmark must be clearly mentioned. Bore hole locations and ground level should be clearly marked on the "Site Plan" or "Layout Plan" of the proposed buildings. (b) Recommended Safe Bearing Capacity (SBC) must be provided for Ail bore holes for Depths: 1.5m, 2.0m, 2.5m; and following Footing sizes:1.5 x 1.5m 1.5 x 2.5m ;2.0 x 2.5m 2.0 x 3.0m 2.5 x 3.0m (c) Photographic record of exploration/testing must be included. Remaining soil/rock samples after lab tests should be handed over to AGE B/R or the Engineer-in-Charge. (d) Liquefaction potential for saturated or loose/uncompacted sandy soils must be assessed. (e) Swelling Index and Pressure must be provided for Black Cotton Soil, including depth/layer. (f) Ground Water Table (GWT) depth during peak monsoon and peak summer should be determined, with seasonal correlation, if encounterd. (g) Recommendations if any for: Floor filling: Subsoil improvement Soil stabilization (under floor and foundation systems) (h) Chemical Analysis of Soil and its effect on RCC Structure and recommendation if any.

Detailed topographic survey and report making (including demarcation of trees) of all site's showings all the existing surface features with spot levels, contour at suitable interval with GPS X, Y, Z by electronic total station/DGPS etc. survey & preparation of map and detection of position of all the existing structures, buildings, boundary walls, paved areas, drains, man holes, electrical (LT/HT) & other overhead lines, transformers, septic tanks, STP, roads, compound wall, any other structures or features, Any existing water bodies, all trees with its type and dimensions (height, perimeter) and any other vegetations within the proposed construction sites. Preparation of contour map/plan at interval of 1.0 meter. Levels and coordinates at every 1 meter. The intervals shall be reduced at locations where it is required to reproduce the topographical surface on plan on detailed manner.

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