17-0224 v3.0/Homestead Remade/Source Separated Recycling On Site

QUESTION

The Homestead Remade project will include the deconstruction of an existing single family residence currently on site. The first goal of the project is that all usable and non red-list containing framing lumber, siding, sheathing, flooring, trim-work, concrete, aggregate, soil and brick will be up-sourced into the final project. This process will be extensively documented and tracked as required per the materials petal. Secondly, we as a team believe strongly that source separating all construction products on site prior to inserting them into the appropriate recycle streams is the only viable solution to obtaining a "True and Accurate" calculation of recycled material. While planning, patience and proper methods to separate and collect all of the project's materials on site will be implemented, it is inevitable that garbage will be generated.  

1. With the goal of source separating all material on site, the actual percentage by weight of garbage will be small. We do not believe it would be a responsible measure to take this garbage to a co-mingled recycling facility when we know that the load would be not recyclable and would otherwise contaminate the facilities recycling measures. It is unclear how we are to factor this percentage of waste into our calculated weighted average, as we do not see garbage as being addressed in the materials handbook. If necessary we can document what we classify as garbage for this project.  Please provide guidance on this.

2. In the past some of our recyclers have refused to weigh our loads as we are a "Small" contractor hauling by pickup and dump-trailer, rather they calculate our load in yardage, or simply as a "Minimum" Load. We haul recycled materials in smaller loads to manage site efficiencies. One example of a larger recycler in our area, Renton Concrete Recyclers does not want to have their typical flow of large semi-trucks slowed by our smaller dump trailer and pickup truck. Another example, our clean wood recycler, Cedar Grove Composting, calculates our loads in yardage not weight. As we will have multiple consistent loads to each recycler, we are hopeful that we can advocate for the project and will be occasionally allowed to use the scale to establish a typical weight and monitor so that we can apply an average weight to all of our calculated loads that are not allowed to be weighed. Would this be an acceptable plan?

3. We would like to eliminate our need to transport our source separated cardboard and allowed plastics from the job-site by using the existing Seattle Public Utilities curbside recycling unit. We propose to weigh the receptacle prior to placing on the street. As the project is in an established neighborhood served by the utility this seems to be within the spirit of the LBC, to not make unnecessary additional transport of these materials. Would this be an acceptable plan?

ANSWER

1. The team should create and track a separate waste category for any waste going to the landfill. 
2. For a small project where the team's options for waste data collection are limited by recycling facilities, it is acceptable to use volume to estimate weight. For all loads where weighing is allowed, specific weights and recycling percentages must be provided in documentation. For all loads where weighing is not allowed, an estimated weight based on average known weight to volume ratios may be provided. When weight is not available for all loads, the weight and volume data that is known, including the weight/ volume ratio calculation, must be provided in an organized table. 
3. While source separating is recommended due to the better diversion rates, teams may use the municipal recycling program to dispose of recyclables as long as the facility to which the recyclables are transported meets the monthly average of 90% diversion for all materials. Any such waste must first be weighed and documented.

Post ID 6390

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