WB-HMC/TN/ED/WS/04/26-27

Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line raking every detection against damage of S.W. pipe line electrical cable etc. as underground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per directionj of E-I-C. Ref:- UD & MAD (Schedule) 2018, P-2, it. No. - 1.4

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In ground floor including roof. a) upto 150 mm. Thick Ref: P.W.D (Bldg) Sch. -2017, page -10 It- 2(a)

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm. Ref:- UD & MAD (Schedule) 2018, P-1, it - 1.1(a).

(b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,0 mm. but not requiring shoring Ref:- UD & MAD (Schedule) 2018, P-1, it - 1.1(b).

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). (a) Depth upto 1.5 m. Ref:- UD & MAD (Schedule) 2018, P-3, it - 1.6(a).

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (Payment to be made on measurement of finished quantity) Ref:-[Page:2; Item No:4(A) of PWD-SOR(Bld) 2017]

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. [Ref: P.W.D.(Bldg.). Page- 14, Item - 1 & 3rd corrigenda Page - 1 SL NO.-1]

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety In Ground Floor Rate Analysis Enclosed

Brick work with 1st class bricks in cement mortar (1:6) (a) In foundation and plinth [Ref : P.W.D.(Bldg) 2017, Page - 15 Item-8(a) & 3rd Corrigenda, Page - 2 SL NO.-4]

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof) (c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work [Ref : P.W.D.(Bldg) 2017, Page - 42, Item-36(c)]