PAD - LGED

Imrprovement
Total/weighted average 321.1 62% 1,796 5.8 169% 58%
Note: EIRR, NPV, NPV per unit of financial cost and switching values for increased cost and decreased benefits are weighted by
number of km expect for GCMs that is computed as a simple average. The last row presents average figures weighted by
financial cost.
B. Technical
56. The project builds on the civil works components implemented under RTIP-I.
Furthermore, two components, dredging of rural waterways and performance based maintenance
contracts, were added for a holistic network connectivity approach and a strategic shift towards
maintenance. The typical design and specification documents and cost analysis reports have been
prepared for all civil work project components and are available as background documents. It
will provide the standards that will be followed while preparing bill of quantities and bid
documents. The basis for the average unit capital costs for the project were based on the recent
biddings and contract rates for LGED projects implemented and inflated to mid-2012 values. The
unit cost estimates are summarized below were used in the project cost table at in Table 2.1,
Annex 2. The key technical aspects of the physical civil work components are described below,
with additional detail included under Annex 9.
Table 4: Unit Cost Estimates, February 2012
LGED- Consolidated Feasibility Study Report Document
Category of Sub-project
Unit
Unit Cost Unit Cost (US $)
Tk. Lakh 80 TK= 1USD
Improvement of UZR including cross-drainage and safety km 116 0.145
Improvement of UNR including cross-drainage and safety km 59.25 0.074
Rehabilitation and Periodic Maintenance of UZR km 34.5 0.043
Performance-based Maintenance Contracting (five-year contracts) km 25 0.031
Improvement of Growth Centre Markets No. 75 0.094
Improvement of ghats No. 65 0.081
Improvement of two rural water routes km 26.8 0.034
57. Improvement of UZRs (Upazila roads- 750 km) and UNRs (Union roads-
500km).The UZRs and UNRs are critical for linking rural areas to economic opportunities,
social and administrative services, and road networks managed by the Roads and Highways
Department (RHD). RTIP-II proposes that all UZR selected for upgrading will be improved by
LGED’s standards set out in the 2005 Rural Road Design Manual. All UZRs will be constructed
with the embankment crest at least 60 cm above the 10-year return flood level. Land acquisition
and resettlements are expected only for Upazila roads improvement and not for Union roads.
58. The Bank team reviewed the standard designs, drawings and specifications and found
them appropriate. The scope of work will involve raising and widening of road embankment to
standard with 7.3 m for UZR (typical) and 5.5 m for Union Road; the pavement width for UZR
is 3.7 m and 3.06 m for Union Roads with hard shoulder of 1.25 m width (may vary with the
type depending on the traffic). Embankment side slopes are 1:1.5 (vertical: horizontal). The
maximum size of bridge for the road improvement will be 30 m; larger bridges will require a
separate bridge contract. Each road contract will also incorporate road safety mitigation
measures (based on detail road safety audit). In the second year about 125 km of roads will be
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