Preliminary Data for Proposed Bridge

1 Name of the stream :

2 Name of the Road :

3 Location of the bridge site :

Hydraulic Data As per Irrigation Dept.

Design discharge :

Velocity of flow :
Silt Factor :
Bed Slope :
4
Bed material :

HFL :

Max. scour depth

Pier :
Abutment :
Width of river :
Span Arrangement
Spans :
5 Foundation style :
Length of Pile at Pier :
Length of Pile at Abutment :
Superstructure
Wearing coat. :
6 Expansion Joint :
Deck :
Bearing :
Levels
7 Formation level(m) :
Lowest bed level(m) :
 Check List For The Proposed Bridge
1 Name of the stream :
2 Name of the Road :
Location of the bridge site from the origin of
3 :
the stream
4 Name of the Block & District :

5 Existing alignment of the road crossing the :

stream (Normal or Skew)
6 Proposed alignment of the bridge :
Whether the acquisition of land is required for
7 :
approaches to the proposed bridge
8 H.F.L :
J.F.Q. (flood level that occurs normally Every
9 year). :

10 L.W.L :
11 Nature of riverbed materials :
12 Width of the river at Bank to Bank :
13 Width of river 0.F.L :
14 Width of the river at H. F.L :
15 Whether banks are firm or meandering :

16 Catchment area of the stream at bridge site :

17 Type of bridge and foundation Proposed :

18 General remarks about the investigation report :

prepared by the concerned consultant
 Check List For The Data Requirement in Connection of Waterway of Bridge
SL Particulars : Data
A GENERAL INFORMATION
1 Name of the stream / channel / River :

2 Name of Road / Highway / Railway :

3 Crossing chainage (in mite/Km./m.) :

4 Location Details
a Name of connecting villages / towns :
b Name of Block, Mows, P.S. :
c Name of Sub-Division and District :
5 Geographical co-ordinates (tat., Long) :
B HYDROLOGICAL DATA OF THE CATCHMENT
Rainfall Data 61.5 mm/hr, from SP-a-2004, Appendix-A for hydraulic
1 :
calculation.
2 Slope of Catchment : 0
3 Nature of land-use & land cover (in %) :
4 Nature o' soil crust :
5 Possibility of change in catchment : No.
Storage in Catchment Major run-off substancial detaintion in fishiculture ponds, ground
6 : infiltration
7 Max. Recorded High Flood : 0
C RIVER/CHANNEL DATA
1 Name of River Basin :
Nature of River / Stream (perennial/ rain-fed /
2 flashy) :

Stage (rocky/ boulder / braided / meander / delta /

3 tidal) :

Type of Main channel

4 (Clean/straight/weedy/sluggish etc.) :

Type of over banks/flood plain (vegetation cover,

5 cultivation etc.) :

Type of bed material/ slit Factor(k)

6 :

7 In case of drainage' khal' / Irrigation canal

Name of reach & exact chainage at crossing
a :

Original Gradient Statement of the concern reach

b :

D RIVER / STREAM CROSS-SECTION DATA

No. of given Cross-Sections [as per para-(D), Pg.-2
1 above] :

2 Distance between Cross sections (in m.) :

3 Hydraulic data at proposed location
a H.F.L. (in m. GTS) with year of occurrence :
b O.F.L. (in m. GTS) :
c L.W.L. (in m. GTS) :
d W.L. (in m. GTS) during survey period :
e Design Discharge(cum.) :
f Estimated velocity (in m/sec.) :
g Scour Depth (in m.) (maximum) :
h Afflux (in m.) :
For HHTL, HTL & LTL (IN M. Gts) (if tidal channel)
4 :

E RIVER /CHANNEL LONG-SECTION (as per Para-(E), Pg.-2 above

1 Length of the surveyed reach (in rm.) :
2 Whether bed levels, HFLs & WLs incorporated :
3 Longitudinal slope (or statistical mean slope) :
F MISCELLANEOUS
1 Whether the river /channel is navigable . :
If yes, then whether last 20 years HFL data attached
2 :

Whether Lacey's regime waterway constricted

3 :

4 If Yes, then % of constriction provided :

whether an existing bridge is being replaced
5 :

If yes, then its technical details attached

6 :

Are all relevant drawings and documents prepared

in line with the "Guidelines & Data Requirement in
7 connection with examination of waterway of :
Bridges" of CDO

Do all drawings and documents bear the dated seal

and signature of Consultant and responsible officers
(not beiovv the rank of Executive Engineer) of the
8 Government Department/ Organization proposing :
the construction

Whether these drawings and documents are verified Yes

and authenticated for hydraulic data by the
9 concerned Executive authenticated for hydraulic :
data by the concerned Executive

G NUMBER OF ENGINEERING DRAWINGS SUBMITTED FOR APPRAISAL

General Arrangement Drawing (GAD) 1
1 :

2 River / Channel Cross-Section Drawing :

3 River / Channel Long-Section Drawing :
4 Index Key map, if not shown in the GAD :
5 Topographical Survey Plan of the Site :
6 Hydrological calculation Report :
7 Geotechnical Investigation Report; if any :
8 Google-Earth image / field photographs; if any :
IS/IRC CODAL REFERENCES USED i.          IRC:6-2014
ii.        IRC:73-2014
9 : iii.       IRC SP13-2004
iv.       IRC:5-1998
v.         IRC:112-2011