WBMAD/ULB/BM/NIT-09(e)/2026-27 SL NO 01

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202) By Manual Means Granular courses Item- 5/I/A , Pg-75 of NH Schedule of Rates 2019-20

Excavation in Marshy Soil : Excavation for roadway in marshy soil with hydraulic excavator 0.9 cum bucket capacity including cutting and loading in tippers and disposal within all lifts and lead upto 1000 metres, trimming of bottom and side slopes in accordance with requirements of lines, grades and cross sections Item- 10 , Pg-83 of NH Schedule of Rates 2019-20 (Reference to MoRT&H's specification clause 301).

Brick masonry work with 1st class full size bricks except when necessary to complete the bond in cement morter 1:3 in sub-structure complete, including thoroughly soaking the bricks in a tank filled with water for a minimum period of one hour prior to being laid, protecting the green structure from rain by suitable covering and with a minimum Seven days curing etc., but excluding pointing and plastering, as per drawing and Technical. Item- 1, Pg-218 of N H Schedule of Rates_2019-20 Specifications.(Reference to MORT&H's specifications 1300 & 2200).

Plastering with cement mortar (1:3) on brick work in sub-structure complete all including raking out joints curing, etc as per Technical Specifications (Reference to MORT&H's specifications 1300 & 2200). Item- 3, Pg-219 of N H Schedule of Rates_2019-20

Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). G)RCC Grade M30 It. No.-8 , Pg- 184, of NH Schedule of Rates 2019-20 I) With using concrete mixer For RCC Border Wall

Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper position of uncoated HYSD reinforcement bar in sub-structure complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 1600 & 2200). Item-40, Pg. - 217 of NH Schedule of Rates 2019-20.

By Mix in Place Method Construction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401 for grading-IV Material Item- 12, Pg-106 of NH Schedule of Rates 2019-20 Item- 1B, Pg-99 of NH Schedule of Rates 2019-20

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400- 13 revised vide table 2 of IRC : 109 (2015) to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density .The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406. Item- 12, Pg-106 of NH Schedule of Rates 2019-20

Concrete Block Pavement Supplying and Laying in the particular pattern of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC SP - 63 with proper confinement of bedding and joint filling sand, compaction,levelling and filling up of the edge gaps with mortar. Type I, II,III, IV should be as per design requeirment or instruction of E-I-C. Item- B3, Pg-50 of 2nd Addenda to N H Schedule of Rates_2019-20 a) Type - I (120 mm thickness) inter locking system

Providing and fixing in position pre-cast RCC mahole cover and frame of required shape and approved quality. Circular shape 560 mm. internal dia. B) Correction Factor @ 0.973 on DSR issued by DG/CPWD (Vide No. 158/SE/(TAS)/GST/2024 , Dt. 08/8/2024 C) Add : Cost Index for Kolkata @ 23 % on (B) as per Memo No. 34(1)/SGD/(KOL)/Cost Index/2026/915, Dt. 19/5/2026 of EE(P) E, SDG(Kolkata),CPWD It-19.19.4.1 , Pg-313, CPWD/ Vol.-II of 2023