Tender For Providing Lwss To Jawahar Navodaya Vidyala Lari In G.P Tabo In Spiti Valley Distt. L&S H.P.(Sh:-Trenching, Providing, Laying, Jointing And Testing In Trenches Of Hdpe With Multilayer Thermal Insulation On Pipe Of 50Mm Dia From Rd 0 To 700, Lahul And Spiti-Himachal Pradesh
TDR : 54812857
Tender Notice
BOQ
Expired
Lahul And Spiti
Himachal Pradesh
Tender For Providing Lwss To Jawahar Navodaya Vidyala Lari In G.P Tabo In Spiti Valley Distt. L&S H.P.(Sh:-Trenching, Providing, Laying, Jointing And Testing In Trenches Of Hdpe With Multilayer Thermal Insulation On Pipe Of 50Mm Dia From Rd 0 To 700
Name of Work:- Providing LWSS to Jawahar Navodaya Vidyala Lari in G.P Tabo in Spiti valley Distt. L&S H.P.(SH:-Trenching, Providing, Laying, Jointing and testing in trenches of HDPE with multilayer thermal insulation on pipe of 50mm dia from Rd 0 to 700 = 700 Rmt., 40mm dia 0 to 500 = 500 rmt and 20mm dia at various RDs =120 Rmt )
Sl. No.
Item Description
1
Excavation in earthwork for trenches of required width & atleast 1.20 m to 1.50 m depths in all classifications of soil such s spade work , jumper work , soft & hard rock , by chisseling in soft/ hard rock where blasting is prohibited , in saturated soils i/c bailing and pumping out the water in all lifts and dressing of sides , ramming of beds to correct grades i/c shoring , strutting , planking , timbering and dewatering wherever required and getting out the excavated soil, stacking the servicable/unservicable material/soil separately and the returning the soil in layers not exceedings 20 cm in depth , including consolidating each deposited layer by ramming , watering etc. and disposing of the surplus excavated soil in all leads and lifts , the disposed earth to be levelled and neatly dressed as per the direction & to the entire satisfaction of Engineer-in-charge.
2
Laying & jointing in trenches HDPE Pipe conforming to BIS 4984-1995 with upto date ammendments , material Grade PE-100 and pressure rating Class- PN16 or as per design including th compression fitting such as Tees , Elbows adapters with metal inserts , reducers , service saddles required as per site conditions and jointing the pipes & fittings with the help of electofusion machine complete in all respect in all lead & lifts as per the directions & to the entire satisfactions of Engineer in charge. (Taking 40% Distribution into consideration which can be damaged during excavation and cannot be re-used.)
3
50 mm OD
4
40 mm OD
5
20 mm OD
6
Providing multilayer thermal insulation to the pipes (at places where the pipes cannot be buried at the required depths due to site conditions & exposed to atmosphere and at the consumer end) with Nitrile rubber tube of class O with suitable adhesive , Resin bonded mineral wool ( Rock wool ) conforming to BIS: 8183-1993 (With upto date ammendments) 50mm thick having density 24 kg/m3 , chicken wire mesh & binding wire, wrapping with polythene sheet (120 GSM) and 24 gauge aluminium alloy sheet conforming to BIS :2676 (with upto date ammendments) all around the pipe i/c all fixtures , adhesives , clamps etc . including cost of all mterial & labour complete in all respect in all leads and lifts as per direction & to entire satisfaction of the Engineer-in-charge.(40 % of total network taken for insulation , where pipe cannot be buried upto required depth )
7
(a) 50 mm OD
8
(b) 40 mm OD
9
(c) 20 mm OD
10
Providing , fixing and testing Heat trace cable of 25 watt capacity or as per design of DENFORCE /CROMPTON / any other equivalent make along the pipelines with heat wire 25 x 13 mm , pipes to be insulated with with Nitrile rubber tube of class O with suitable adhesive , Resin bonded mineral wool ( Rock wool ) conforming to BIS: 8183-1993 (With upto date ammendments) 50mm thick having density 24 kg/m3 , chicken wire mesh & binding wire, wrapping with polythene sheet (120 GSM) and 24 gauge aluminium alloy sheet conforming to BIS :2676 (with upto date ammendments) all around the pipe i/c all fixtures , adhesives , clamps etc . including cost of all mterial & labour complete in all respect in all leads and lifts as per direction & to entire satisfaction of the Engineer-in-charge.
11
Providing & Fixing brass Wheel Valve of reputed make of following dia
12
(a) 50 mm
13
(b) 40 mm
14
(c) 20 mm
15
Constructing manhole with RCC top slab in 1:2:4 mix ( 1 cement :2 sand:4 graded stone aggregate 20 mm nominal size) foundation concrete 1:4:8 ( 1cement:4sand :8graded stone aggregate 20 mm nominal size),inside plastering 15 mm thick with cement mortor 1:3 (1cement:3sand),finished with a floating coat of neat cement & making channels in cement concrete 1:2:4 (1cement:2 sand:4 graded stone aggregate 20mm nominal size) finished smooth complete i/c curing &testing. (i) inside size 1200 x 900 x 1000 mm deep i/c c.i. cover with frame (m. duty) with single pattern 455 x 610 mm internal dimensions (total wt.of cover & frame to be not less than 38 kg) 23 cms. thick brick masonry walls using 2nd class brick in cm 1:4 (1cement : 4 sand) Please Enable Macros to View BoQ information
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