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Additional questionnaire for the construction of bridges No.

1. Title of contract

2. Site� flat � hilly � mountainous

� built-up area � semi-built-up area � open area

If project is in built-up or semi-built-up area, state minimum distance to and type of neighbouring structures.

3. Breakdown of valuesItem Value (currency )

Site installations and temporary work

Workshops,stores, camps, etc.

Earthwork and approaches

Foundations

Piers and abutments

Falsework and cantilever formwork, etc.

Superstructure and roadway

Other work (railing, lighting, installations, etc.)

Total value

4. Type of bridge� beam bridge � arch bridge � suspension bridge

� truss bridge � cable-stayed bridge

5. Technical dataa) Superstructure Length m

ft Width mft

Number of spans Max. length of span mft

Max. height above grade mft

� steel � reinforced concrete � pre-stressed concrete

� post-tensioned concrete � other (specify)

b) PiersMax. height m

ft � concrete � other materials (specify)

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6. Construction of super-structure � precast concrete members Distance from works km

miles

Transport � by rail � by lorry by barge

Assembly � by mobile crane � with travelling shutter � in free cantileverconstruction

� cast in situ � falsework � travelling shutter � free cantileverconstruction

� incremental launching � orthotropic plate

7. Type of foundation� caissons Depth m

ft

� piles Depth mft

� slabs Depth mft

8. Details of subsoilAttach soil strata diagram.

9. Ground waterLevel below grade m

ft � dewatering required

Quantities of water to be removed m3/s

Reserve capacity of pumps m3/s

Pumps are driven � electrically � by combustion engines

Electric power supply � off the main � by site generator(s)

10. Bridge over body water� river � lake � bay � other (specify)

Name of body water

� tidal � non-tidal

High and low water levelsObservation period years months

Normal in dry season mft Normal flood

Highest ever recorded mft Date

Flow ratesObservation period years months

Normal in dry season m3/s

Normal flood discharge m3/s

Highest ever recorded m3/s Date

Protection from flooddamage � cofferdam Height above

normal flood levelmft

Dimensioned forreturn period of years

� filled � sheet pile wall � cellular cofferdam � other

Interior bracing of cofferdam? � yes � no

� diversion channel Discharge m3/s

Is risk of flooding reduced by upstream dams? � yes � no

Details

Is there a flood warning system? � yes � no

Time lapse between warning andtime when flood reaches site hours

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Component Execution dats, anticipated period of work(months)

11. Construction schedule(unless separate sheet isattached)

Site installations and temporary work

Earthwork and approaches

Flood protection facilities

Foundations

Piers and abutments

Superstructures and roadway

Other work (railing, lighting, installations, etc.)

� yes � no12. Must traffic bemaintained duringconstruction of thebridge? Details

13. To what extent mightthe contract work bedestroyed in one lossevent?

14.What work will be doneby subcontractors?

15. Which contractors willwork independently of theinsured at the site or in itsimediate vicinity?What will be done by suchcontractors?

16. a) Where are theoffices, stores,workshops, camps, etc.located?Where are constructionplant and equipment andconstruction materialsstored?Give details or attachdrawings.

b) To what extent willthese facilities beprotected against flood?Give details.