ENGINEERING PROCUREMENT AND CONSTRUCTION FOR AUGMENTATION OF EXTERNAL WATER SUPPLY ARRANGEMENTS FOR BAMBOLIM MIL CAMP AT PANAJI GOA

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SCHEDULE "A" PART - I- BUILDING & STRUCTURES (SEMI UNDER GROUND SUMP) M & L for Design, construction and commissioning of RCC semi Underground Sump of 100000 Gln Capacity at Bambolim, Mil Camp, after conducting the necessary soil investigation as mentioned at Annexure-I above, minimum 03 bore holes to be considered for soil investigation, plate load test and trial pits to ascertain the SBC of the soil strata of the location and the same SBC shall be adopted while designing the UG sump including Provision of 150mm dia CI Pipe as in inlet and outlet facility to sump, internal water proofing treatment and PVC water bars all as specified and as per the design approved.

SCHEDULE "A" PART - II SOIL INVESTIGATION Carrying out soil investigation including Mobilization of drilling accessories and men power at site and demobilization of the same after completion of entire work and carrying out soil investigation by drilling bore holes (minimum 03 bore holes) (100 mm dia in soil & 75 mm diameter (NX size} in rocks upto to depth of 15 M and cohosting undisturbed soil sample mocks cores from different location for carrying out relevant laboratory test all as directed by engineer-in-charge and conducting the following lab test as per latest and relevant IS code : (a) Conducting density test of Soil (Lab test) (b) Collecting undisturbed soil sample (c) water absorption test (d) Soaked crushing strength of rock (e) Atterbergs limit on soil (f) Conducting SPT (g) Specific gravity (h) Chemical analysis of soil and water Note: Submission of soil investigation report incorporating type of soil in pressure bulb zone , highest water table and detailed calculation of SBC and recommended SBC at particular depth considering the effect of water table, type of foundation recommended etc shall be in quintuplicate.

Carrying out Plate load test using required equipment’s & Machinery to confirm SBC 40 T/Sqm at 2 mtr depth at your project site as per IS 1888 : 1982 (reaffirmed 1997) by using plate size 45 mm dia (Design SBC 40T/sqm x 2.5 service factor x kentledgs 30% more + 130 T x Area of Square plate of 0.45 x 0.45 mtrs = 0.2025 sq mtrs + Preparation for SBC 40 T/Sqm. Note : Excavator (Pockland} or loading Highwa will be used as loading element.

Excavation trial pits by 1.2 mtr x 1.2 mtr x 1.5 mtr in depth to take out soil samples & carrying out necessary lab tests to calculate the SBC as per lab data

SCHEDULE "A" PART - III SITE CLEARANCE AND EXCAVATION & EARTH WORK Surface dressing n.exc 15 cm deep getting out in any type of soil

Excavation over area n.exc 1.5 m deep and getting out in soft disintegrated rock all as specified

Excavation over area for depth exc 1.5m and n.exc 3.0 m depth or and getting out in soft disintegrated rock all as specified

Returning, filling in, including spreading, leveling, watering & well ramming in layers n.exc 25m as in soft disintegrated rock.

Removing excavated soil (soft disintegrated rock) n.exc 100m and depositing where directed all as specified. NOTE -

SCHEDULE "A" PART - IV EXTERNAL WATER SUPPLY supply and laying in trenches galvanized steel water tubings of medium grade with and including all fitting such as bends, elbows, tees, unions, nipples, short pieces, etc as required at site laid in trenches, connecting and testing complete all as specified and directed of size 150 mm dia. Note :- (i) Excavation and earth work shall be measured and paid separately.

Supply and install sluice value, flanged type of class 1.6 PN including jointing materials like rubber packing, bolts and nuts etc and testing complete of size 150mm dia all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth and getting out in soft/ Disintegrated rocks for removing/laying pipe, etc all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth and getting out in Hard/dense soil for removing/laying pipe etc all as specified and directed.

Returning and filling excavated soil in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25cm all as specified and directed.

Removing of excavated materials i.e surplus soil not exc 50M and depositing where directed at a level not Exc 1.5 above the starting point all as per specified and as directed.

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