Part B Standard Contract Specifications 2012 - City of Guelph

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City Of Guelph February, 2012SPECIAL PROVISIONSclosure requiring a detour of traffic. Notice for other traffic interruptions that require a significantrevision or modification to the traffic control plan will require a minimum of 2 business days’ forreview by City staff.PaymentPayment on a lump sum basis for the above work shall be full compensation for all labour,equipment and material required to do the work.Payment shall be made on a prorated basis per month for the term of the contract.7. SUPPLY, PLACE AND MAINTAIN TEMPORARY EROSION AND SEDIMENTCONTROL MEASURESScope of WorkWork under this item shall be completed in accordance with OPSS 805 and as amended herein.Erosion and sediment control measures shall be incorporated in the work to ensure sedimentdischarge to watercourses and/or lands in or adjacent to the working area is minimized for theentire duration of the contract.The fence shall be installed as OPSD 805 and the geotextile shall conform to OPSS 1860.Payment at the contract price bid shall be full compensation for supplying all labour equipmentand materials for the installation of temporary silt fencing, check dams, sediment traps/basin, forall excavation and disposal of related surplus material; for supplying and placing filter berms,sandbags, concrete barriers, rip rap and sewer pipe, etc. as required; for pumping water tosediment basin; for carrying out all maintenance; for removal of temporary measures atcompletion of work and for all other works necessary to properly control the movement ofsediment from excavations and disturbed areas.MaintenanceThe fencing shall be maintained in an upright and secure condition such that they remain fullyfunctional for the duration of the contract. The fencing shall be inspected after each rainfall. Thecontractor shall remove and dispose of the build up of sediment at the fence as required. Siltationfence shall remain in place until the sod or seed is established.RemovalOnce all disturbed areas have been revegetated, the silt deposits behind the fencing shall beremoved and disposed of to ensure it does not enter the watercourse. All the fence materials shallthen be removed. All material remains the property of the ContractorMeasurement and PaymentMeasurement will be made on a pro rated basis of the percentage of the total contract workscompleted. Payment for this item of work shall be made as follows: 50% for supply and installation 30% for maintenance 20% for removalPage 16 of 69
City Of Guelph February, 2012SPECIAL PROVISIONSThe payment for maintenance will be made upon satisfactory condition of the works and removalof any accumulated sediment at the time of payment. It is noted that measurement will be inmetres, following the contour of the ground, of the actual length of silt fence installed.8. TEMPORARY CONSTRUCTION FENCING AND TREE PROTECTIONFENCING ETC.Scope of WorkWork under this provisional item shall include the supply, installation, maintenance andsubsequent removal of 1.2 m high temporary orange plastic fencing and ”T”-bars for delineationof pedestrian walkway areas from areas of active construction, to separate contractor work areas,and to provide temporary fencing for tree protection. New or salvaged plastic fence material maybe used for the temporary working fence and tree protection, provided it is free of rips, tears,holes or missing segments. If salvaged material is used, it shall be in reasonable condition priorto erection and acceptable to the Engineer.Temporary construction fencing shall be placed in a vertical orientation with a minimum spacingof 4m between “T”-bars and installed with the mesh material facing the public side (non-workarea) and complete with a 10mm nylon top rope to ensure that the fencing materials remain in avertical condition. Top rope shall be adjusted frequently and as directed by the Engineer when,and if, sagging of temporary fencing occurs. Fencing shall be adjusted to suit the work progressand shall be installed so as to direct pedestrians and others away from open excavations and/ortoward crossings of the construction site.Tree fencing shall be placed in a vertical orientation with a minimum spacing of 4m between “T”-bars and installed with the mesh material facing the public side (non-work area) with 2x4 woodenbracing to ensure that the fencing materials remain in a vertical condition. Fencing shall beadjusted to suit the work progress.All temporary fencing placed on the project will be the property of the Contractor at thecompletion of construction.Measurement for PaymentMeasurement shall be in linear metres of construction fencing erected.Basis of PaymentPayment at the Contract price for the above item shall be full compensation for all Labour,Equipment and Material to supply, erect, maintain and remove fencing as directed by theEngineer and where required for the duration of the Contract.Partial payment for this work shall be on a pro-rated basis as follows:• 60% - Supply and installation;• 30% - Maintenance (pro-rated on the progress of the work); and• 10% - RemovalPage 17 of 69
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CITY OF GUELPHSUPPLEMENTALGENERAL C
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SS-100CITY OF GUELPHSTANDARD SPECIF
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TABLE OF CONTENTSSECTION 1 - GENERA
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TABLE OF CONTENTSSECTION 1 -PAINTED
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City of Guelph SS-300 February 2012
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CITY OF GUELPHSTANDARD DRAWINGS FOR
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DRAWING NUMBERS DESCRIPTIONSECTION
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SECTION 2MANHOLESCATCHBASINSVAULTS
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SECTION 4WATERWORKS
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SECTION 6LANDSCAPINGEROSION CONTROL
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SECTION 8GUIDERAILS / BOLLARDSFENCE
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Part B Standard Contract Specifications 2012 - City of Guelph

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