RFP – GRIA Urban Trees Planting Project – New Tree Pits, Planting, and Maintenance – Greater Remington Improvement Association

Central Baltimore Neighborhoods Canopy Project

Greater Remington Improvement Association

Date: 9/19/2024

Bid Item #1: New 8′ x 4′ Tree Pit, Topsoil, Compost (180 EA):

Tree Pits are assumed to be approximately 8’x4’ and on average include the removal of (2) sidewalk “squares”.  A field meeting shall be held between the contractor and owner (1) week before work starts to clearly delineate the work scope. New pits shall be cleanly sawcut around the edge of the pit with special attention to the depth of the saw blade to minimize impact on existing roots. Concrete shall be removed and disposed of at a licensed facility. The excavation depth of new pits shall be assumed to be 12”-18”. After excavation, pits should be filled with high-quality topsoil and topped with 2-4” of compost (Renard Lakes in Brandywine Maryland is the preferred vendor).

Bid Item #1: Additional Concrete Removal (200 SF):

This item is to be used for tree pits expansions. Concrete shall be cleanly sawcut around the edge of the pit with special attention to the depth of the saw blade to minimize impact on existing roots. Concrete shall be removed and disposed of at a licensed facility. The excavation depth of new pits shall be assumed to be 12”-18”. After excavation, pits should be filled with high-quality topsoil and topped with 2-4” of compost (Renard Lakes in Brandywine Maryland is the preferred vendor), and 2” of mulch.

Bid Item #1: Plant (15) Gallon Tree (100 EA):

An undecided portion of the project’s trees will be planted during volunteer events. This item will be used for tree stock planted by the contractor. The projects tree stock is listed below for reference. Trees shall be planted and staked on 2 sides by the contractor. The whole pit shall be mulched to a depth of 2-4” with care taken not to pile mulch at the base of the tree (root flairs shall be exposed). The contractor is responsible for transporting trees from the Druid Hill Park Nursery to the planting sites. Contractor is responsible for hauling away all related debris.

Bid Item #1: Mulch New Tree Pit, 2” Depth (140 EA):

Includes the labor, equipment, and materials to mulch tree pits with Owner approved mulch at a 2” depth. This item is expected to be used for tree pits planted by volunteers.

Bid Item #1: (2) Year Tree Maintenance (240 EA):

This line item is for the tree maintenance for (2) years after a tree is planted including the labor, equipment, and materials to provide adequate water (20-30 gallons/per week/per tree), clean trash, and maintain tree stakes (tree stakes to be removed after 1 year). Watering is expected from Mid-May to Mid-October. Contractor is expected to check trees for girdling roots and shall alert the Owner if discovered.