Extra Item
Providing Installation, jointing and testing of of PE-DWC under ground sewer pipe
      conforming to IS:16098 (part-2). The pipes shall be PE-DWC type. The pipes will be
      supplied in 6 meter length including couplers, elastomeric sealing ring as per IS :
      5382 for jointing and necessary lubrication as per manufacturer's specifications. The
      charges includes lowering in trenches, laid to correct levels up to required depth
      including making and testing of elastomeric sealing ring joints as per manufacturer's
      specifications and connection with the respective manhole complete in all respects as
      per the direction of engg-in-charge. (Make : Supreme / Astral / Ajay / REX /
 3    Tirupati)
3.1   250 mm ID DWC (SN 4)
3.3   150 mm ID DWC (SN 4)
5.2   Extra depth for rectangular manhole with sewer bricks.
a.)   600 x 600mm
      Providing, laying, testing & commissioning of non pressure NP3 class (Heavy duty)
      RCC pipes S&S jointed with stiff mixture of cement mortar in the proportion of 1 : 2
 3    (1 cement : 2 fine sand) including testing of joints etc. complete.
b.)   150 mm dia.
 7    Extra depth for rectangular manhole with sewer bricks.
a.)   600 x 600mm
      2.3 m deep with SFRC cover and frame (Heavy duty, HD-20 grade designation) 560
      mm internal diameter conforming to IS: 12592, fixed in cement concrete 1 : 2 : 4 (1
      cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including
8.1   excavation, refilling centering shuttering and disposal of surplus earth.
      Constructing brick masonry manhole chamber with 75 class designation F.P.S.
      bricks in cement mortar 1 : 5 (1 cement : 5 coarse sand) inside cement plastering 12
      mm thick with cement mortar 1 : 3 (1 cement : 3 coarse sand) finished with a floating
      coat of neat cement, outside plastering with cement mortar 1 : 3 ( 1 cement : 3
      coarse sand ) foundation concrete 1 : 4 : 8 mix (1 cement : 4 coarse sand : 8 graded
      stone aggregate 20mm nominal size). RCC top slab with 1 : 2 : 4 mix and making
      necessary channels in cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded
      stone aggregate 20mm nominal size), inside finished with a floating coat ot neat
      cement including excavation, refilling and disposal of surplus earth as directed by
4     Engineer-incharge complete as per standard design.
      600 x 600mm and 750mm deep with ISI marked steel fiber reinforced concrete
      (SFRC) manhole cover and frame having hold fasts (medium duty, MD-10 grade
a.)   designation) 560 mm internal diameter.
      Providing and fixing in position enclosed type water meter (bulk type) confirming to
      including all necessary connecting accessories, T&P, labour and materials complete
 6    in all respects.
a.)   100 mm dia
      Providing, fixing, jointing and testing of uPVC pipes conforming to IS 4985 class
      V (10 kg/cm2) alongwith all required fittings like tees, bends, crosses, reducers, end
      caps etc.jointed with approved solvent cement as per manufacturer's
      recommendations, fixed under floor including excavation, refilling and disposal of
7     surplus earth as directed by Engineer-incharge complete as per standard design.
a.)   25 mm OD (Tapoff from external flushing water supply line)
b.)   32 mm OD
      Providing and fixing 20 mm PVC RQRC hydrant valve (PN1.0) with PVC lid
8     complete in all respects.
      Constructing brick masonry manhole chamber with 75 class designation F.P.S.
      bricks in cement mortar 1 : 5 (1 cement : 5 coarse sand) inside cement plastering 12
      mm thick with cement mortar 1 : 3 (1 cement : 3 coarse sand) finished with a floating
      coat of neat cement, outside plastering with cement mortar 1 : 3 ( 1 cement : 3
      coarse sand ) foundation concrete 1 : 4 : 8 mix (1 cement : 4 coarse sand : 8 graded
      stone aggregate 20mm nominal size). RCC top slab with 1 : 2 : 4 mix and making
      necessary channels in cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded
      stone aggregate 20mm nominal size), inside finished with a floating coat ot neat
      cement including excavation, refilling and disposal of surplus earth as directed by
10    Engineer-incharge complete as per standard design.
      300 x 300mm and 500mm deep with ISI marked steel fiber reinforced concrete
      (SFRC) manhole cover and frame having hold fasts (medium duty, MD-10 grade
a.)   designation) 300x300 mm internal size.
      Total Extra Items amout
        Qty        Rate      Amount
                                  -
RMT        50
RMT       350
Metre         6      8,500
Metre     400
Metre         8      8,500
Each          2     28,500
Each          15     7,800
Each          1
Metre   120
Metre    20
Each     4
Each     4
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