Construction of SP Office at East Bank of Jagannath Dighi at Udaipur Gomati Tripura including water supply sanitary installation and Internal Electrical installation Balance Part 2nd Call

(A) S.H. EARTH WORK Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed - All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. -All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. -All kinds of soil

Supplying and filling in plinth, under floor, foundations etc. With sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Supplying chemical emulsion in sealed containers including delivery as specified. (i) Chlorpyriphos/Lindane emulsifiable concentrate of 20%

Treatment of soil under plinth filling using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with sand filling:(i) With Chlorpyriphos/Lindane E.C. 20% with 1% concentration

(B) S.H. CONCRETE WORK Providing and Laying in position cement concrete of specified grade excluding the cost of centring and shuttering- (A). All work upto plinth level: (i) 1:4: 8 (1 cement :4 fine sand : 8 graded well burnt brick aggregate 40 mm nominal size).

(ii) 1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 40 mm nominal size)

(C) S.H. PILE WORK Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by percussion drilling using Direct Mud Circulation (DMC) or Bailer and Chisel Technique by Tripod and Mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads. (Length of pile for payment shall be measured upto bottom of pile cap). Note: Truck Mounted rotary / TMR / Tubewell Boring Machine shall not be used. i) 450 mm dia piles.

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer incharge:- Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic Method of Testing Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-Charge. (A) Single pile above 50 tonne and upto 100 tonne safe capacity pile:- (i) Routine test (Test Load 1.5 times the safe Capacity).