Below is a sample checklist for inspection of road works which you can use for doing the inspection of road works.
| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site |
|
Geometrics (verify irrespective of stage of work) |
To check and ensure the following
a) Length |
||
| b) Roadway width ( 6.00m/7.50m) | |||
| c) Carriage way width (3.00m /3.75m) | |||
| d) Shoulder width (1.875m /1.50m) | |||
| e) CC pavement width | |||
|
f) Camber of shoulders and embankment ( Range- 4 to 5% in case of Earthen road, 3.5 % to 4% in case of Gravel/WBM surface and 3 to 3.5% in case of BT surface) |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Sub Base / GSB |
Thickness in “mm” |
||
|
Whether the compaction is adequate |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately
done |
|||
|
Whether Shoulder is compacted simultaneously along with the Sub base |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done |
| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site | ||||
|
Base course (WBM Gr II/III or WMM) |
Whether metal aggregates conform to required grading (in case of WBM construction)
Grading Requirement for WBM
Grading requirement for WMM |
Does not arise |
Yes |
||||
|
No |
|||||||
| Sieve Size | Percent by mass
passing |
||||||
| 53.00 mm | 100 | ||||||
| 45.00 mm | 95-100 | ||||||
|
Not adequately done |
|||||||
| 26.50 mm | – | ||||||
| 22.40 mm | 60-80 | ||||||
| 11.20 mm | 40-60 | ||||||
| 4.75 mm | 25-40 | ||||||
| 2.36 mm | 15-30 | ||||||
| 600 micron | 8-22 | ||||||
| 75 micron | 0-8 | ||||||
|
Material finer than 425 micron shall have plasticity Index (PI) not exceeding 6 |
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|
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| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site |
|
Whether the Volume of gravel is within 22% to 24% (in case of WBM construction) |
Does not arise |
Yes |
|
|
No |
|||
|
Base course (WBM Gr II/III or WMM) |
Not
adequately done |
||
| Thickness (WBM/WMM)
WBM Gr.I – 100 mm |
Yes |
||
| WBM Gr.II -75 mm | No | ||
| WBM Gr.III -75 mm | Not adequately done |
||
|
Whether the compaction is adequate (Field density test) |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Whether Shoulder is compacted simultaneously along with the Base course |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Prime coat /Tack coat |
Whether WBM/WMM surface is properly cleaned before applying Prime coat/tack coat |
Does not arise |
Yes |
|
No |
|||
| Not adequately done |
| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site |
|
Prime coat /Tack coat |
Whether Prime coat/ tack coat is applied uniformly over the cleaned WBM/WMM surface before laying BT |
Does not arise |
Yes |
| No | |||
| Not adequately done | |||
|
Bituminous layer |
Thickness | ||
|
% of Binder content (Required – 4.32% , +/- 0.30%) |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Whether the compaction is adequate |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Road Furniture |
Whether Name Board is provided |
Does not arise |
Yes |
|
No |
|||
| Not adequately
done |
|||
|
Whether KM stone and HM stone are properly fixed with concrete base |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done |
| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site |
|
Whether Sign board(s)/Cautionary Boards is provided |
Yes |
||
|
No |
|||
| Not adequately done | |||
|
Shoulder |
Whether Gravel (or) excavated side earth (or) carted earth is provided for shoulder |
||
|
Drainage |
Whether Proper side drain is provided for avoiding stagnation of water along the road side |
Does not arise |
Yes |
|
No |
|||
| Not adequately done | |||
|
Culverts |
Number and location of culvert(s) | ||
|
Whether the culvert(s) provided is adequate (or) necessary as per site condition |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done | |||
|
Whether cross drain is properly integrated with the side drain |
Does not arise |
Yes |
|
|
No |
|||
| Not adequately done |
| Stage of work/Item | Technical Parameters to be checked / ensured | As per estimate | At Site |
|
Retaining wall |
Whether the retaining wall provided is adequate in required location(s) |
Does not arise |
Yes |
|
No |
|||
| Not adequately done | |||
|
Preparation of Bill |
Whether bill is prepared without fail |
Does not arise |
Yes |
|
No |
|||
|
Payment |
Whether payment has been made upto the present stage |
Does not arise |
Yes |
|
No |
|||
|
Whether Final payment has been made (For completed work) |
Does not arise |
Yes |
|
|
No |
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