Estimate of site development for Construction of 33 KVA Substation of super specialty block of IGMC at Chamyana under Shimla Electrical Division No.-II, HPSEBL, Kasumpti, Shimla-9

Amount

Cutting in earth work and disposal of excavated earth upto all lead and lift:- Pick Work & Jumper Work 50 %

Excavation in foundations, trenches etc., in earth work, lift upto 1.50 Metres stacking the eacavated soil not more than 3 metres clear from the edge of the excavation and then returning the stacked soil in 15cm. layers, when required in to plinths sides of foundations etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed with in a lead of 20 metres.

Providing and laying cement concrete 1:4:8 (1 cement : 4 sand : 8 Graded stone aggregate 25mm nominal size) and curing complete excluding cost of form work in foundation and plinth in breast and retaining walls etc.

Providing form work with steel plates 3.15mm.thick welded with angle iron in frame 30x30x5mm. so as to give a fair finish including centring, shuutering, strutting and propping etc. with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4 Mtrs. and removal of the same for insitu-reinforced concrete & plain concrete work in: Vertical surfaces such as walls (any thickness) partitions and the like including attached pillasters buttresses, plinth and string courses and the like.

Providing and laying cement concrete 1:5;10 (1cement :5sand :10 graded stone aggregate 40mm. nominal size) with 15 % plum and curing complete excluding cost of form work in retaining walls/ Breast walls, the size of plums shall usually be 150mm. to 300mm. as per P.W.D.Specification.

Random rubble masonry/polygonal rubble masonry (Uncoursed /brought to courses) with hard stone of approved quality in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 Sand : 12 Graded stone aggregate 20mm nominal size) in cement mortar 1:6 (1 cement:6 sand) in breast walls and retaining walls.

Providing and laying cement concrete work 1:2:4 (1 Cement:2 Sand:4 graded stone aggregate 20 mm nominal size) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in : (A)09310100 Foundations,footings bases of columns and the like and mass concrete.

(B) Walls (any thickness but not less than 0.10 metre thickness) including attached pilasters buttersses,plinth and string courses etc. from top of foundation upto floor two level

Providing Tor steel reinforcement for R.C.C. work including bending, binding and placing in position complete upto floor two level

Stone filling behind retaining walls :

M/Rate Providing & Fixing PVC pipe 100 mm diameter for Weap holes in R/wall.

8.15 (HPSR Rural Roads) Stone solling properly hand packed filling interstices with kharanja stone and consolidated with power road roller to the required gradient and comber including spreading, watering and rolling of binding materials moorum or earth etc. complete as per HP,PWD specfications. 100 mm spread thickness (Finished work including material and labour) 23 cms spread thickness.

Constructing Course rubble hammer dressed ‘U’ shape open surface drain with side wall. 15x22 cm in cement mortar 1:6 (1 Cement : 6 Sand) and inside eveledly with cement plaster 1:3 (1 Cement:3 Sand) including earth work and laying 10 cm cement concrete in 1:5:10 (1 Cement : 5 Sand : 10 graded stone aggregate) of 40 mm nominal size) and 7.5 cm cement concrete 1:2:4 (1 Cement : 2 Sand : 4 Graded stone aggregate of 20 mm nominal size) and finished with a floating coat of neat cement complete as per standard design.

Devender