Changes

!Guidance

!Guidance

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|LID design details and construction notes||-Provide overview of LID design, ideally through a design brief.

|LID design details and construction notes||

-Discuss LID design details and construction notes, and ensure details and notes are understood by all parties involved.  

*Provide overview of LID design, ideally through a design brief.

 

*Discuss LID design details and construction notes, and ensure details and notes are understood by all parties involved.  

-Discuss project phasing and general timeliness.

*Discuss project phasing and general timeliness.

 

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|Material specifications, inspections, and chain-of-custody||

|Material specifications, inspections, and chain-of-custody||-Material substitutions must be confirmed by the project engineer.  

*Material substitutions must be confirmed by the project engineer.  

 

*Material testing requirements and their timelines must be understood by all parties, including who is responsible for testing.  

-Material testing requirements and their timelines must be understood by all parties, including who is responsible for testing.  

*Material acceptance protocols, with chain of custody, should be understood by all parties, including who is responsible if the material fails.

 

*Biomedia manufacturing and testing should start prior to construction, ideally 2 months in advance.

-Material acceptance protocols, with chain of custody, should be understood by all parties, including who is responsible if the material fails.

 

-Biomedia manufacturing and testing should start prior to construction, ideally 2 months in advance.

 

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|Access routes and storage areas||

|Access routes and storage areas||-Discuss access to the site along with material and equipment storage with the contractor.

*Discuss access to the site along with material and equipment storage with the contractor.

-Material storage should be downstream of LID features.

*Material storage should be downstream of LID features.

 

*Heavy equipment routes should be agreed on to minimize impact to the LID feature and protected areas.

-Heavy equipment routes should be agreed on to minimize impact to the LID feature and protected areas.

 

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|Protection of LID practices during construction: phasing, ESC, and perimeter controls||

|Protection of LID practices during construction: phasing, ESC, and perimeter controls||-Review and discuss the ESC plan.

*Review and discuss the ESC plan.

-Discuss frequency of ESC inspection, protocols for repair and replacement and, parties responsible.

*Discuss frequency of ESC inspection, protocols for repair and replacement, and parties responsible.

 

*Discuss communication protocols for sediment contamination.

-Discuss communication protocols for sediment contamination.

*Discuss rehabilitation protocols for sediment contamination and parties responsible.

 

-Discuss rehabilitation protocols for sediment contamination and parties responsible.

 

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|Equipment requirements and recommendations||

|Equipment requirements and recommendations||-Wide track, low-ground pressure vehicles are recommended to minimize compaction.

*Wide track, low-ground pressure vehicles are recommended to minimize compaction.

-Excavation should occur from outside of LID feature whenever possible.  See Excavation.  

*Excavation should occur from outside of LID feature whenever possible.  See Excavation.  

 

*Gravel and biomedia should be installed by a slinger truck outside of practice whenever possible.

-Gravel and biomedia should be installed by a slinger truck outside of practice whenever possible.

*Avoid heavy machinery within LID footprint whenever possible.  

 

-Avoid heavy machinery within LID footprint whenever possible.  

 

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|Verification of field changes||

|Verification of field changes||-The project engineer must verify all field changes to materials and design.  

*The project engineer must verify all field changes to materials and design.  

 

*In the design engineer’s absence, the project manager should verify field changes.  

-In the design engineer’s absence, the project manager should verify field changes.  

 

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|Plant establishment and warranty-period maintenance||

|Plant establishment and warranty-period maintenance||-Discuss planting timelines at the pre-construction meeting.

*Discuss planting timelines at the pre-construction meeting.

-Avoid planting in the summer months (June, July and August). Fall planting is the ideal scenario.

*Avoid planting in the summer months (June, July and August). Fall planting is the ideal scenario.

 

*Plants will require regular maintenance (irrigation and weeding) to ensure establishment, especially over the first year.

-Plants will require regular maintenance (irrigation and weeding) to ensure establishment, especially over the first year.

*Ensure that plant maintenance and its frequency is understood by responsible parties.

 

*Plant deficiencies should be addressed prior to warranty period initiating.

-Ensure that plant maintenance and its frequency is understood by responsible parties.

 

-Plant deficiencies should be addressed prior to warranty period initiating.

 

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|Ownership and assumption protocols||

|Ownership and assumption protocols||-Discuss how testing will confirm LID  practice functionality according to assumption protocols.

*Discuss how testing will confirm LID  practice functionality according to assumption protocols.

 

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|Project inspection plan||

|Project inspection plan||-Project inspection plan should be detailed and understood by all parties.

*Project inspection plan should be detailed and understood by all parties.

 

*Sign off by all parties involved on photos, video, and social media post may be required.  

-Sign off by all parties involved on photos, video, and social media post may be required.  

 

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