Final Combined Book v.4.0 test

DocuSign Envelope ID: 7C63BD82-420A-491C-9083-158B7A040299

EXHIBIT “A” Attachment to Agreement No. 1213126J-000.620027, dated July 16, 2018 , by and between SPEARHEAD CONSTRUCTION LLC and Skanska Walsh Design-Build JV for Furnish and Install Building Framing and Partitions for Pedestrian Bridge B at LaGuardia Airport Central Terminal Building Replacement Project, New York, LaGuardia Airport Queens, New York .

based on the following criteria.

ALLOWANCE SCOPE:

1. Furnishing and install access doors/panels (including metal framing) - $40,000

4.0 ITEMS NOT INCLUDED:

1. Drywall Framing, Partitions, and Ceilings at Level 1 as shown on 2/A21-AJ-4L-BF-6C and 2/A22-AJ- 4L-BF-6C including Elevator Shaft Wall and Lobby, Stair (CB1L-001), MTE STOR (CB1L-205), and MTE STOR (CB1L-204). 2. Drywall Framing, Partitions, and Ceilings at Level 2 as shown on 3/A21-AJ-4L-BF-6C and 3/A22-AJ- 4L-BF-6C including Elevator Shaft Wall and Lobby, Stair (CB2L-001), OPER (CB2L-206), Trash Collection (CB2L-207), Pet Relief (CB2L-208), Jan Closet (CB2L-209), Corridor, and Wall near Line BV. 3. Drywall Framing, Partitions, and Ceilings at Level 3 as shown on 4/A21-AJ-4L-BF-6C and 4/A22-AJ- 4L-BF-6C including Elevator Shaft Wall and Lobby, Stair (CB1L-003), MECH RM (CB3L-215), FP Dry Valve (CB3L-216), Electrical Closet (CB3L-203), Escalator wall from Level 3 (Elevation 44’-4”) to Level 4 (Elevation 73’-9”) between B0’ and BT.3 Lines, and roof access corridor low ceiling/feature wall as shown on A57-25-00-00-00, A57-26-00-00-00, A84-71-00-00-00, A84-76-00-00-00. 4. Drywall Framing and Partitions as Shown on A47-60-00-00-00 including 2 Hour Fire Rated Assembly hung from Escalator Truss, 2 Hour Fire Rated Assembly beneath Escalator on Metal Stud Framing, and 3 Hour Rated Shaft Wall at this location. 5.0 ALTERNATES: See Exhibit C Pricing of alternates will be stated on the adds and deducts in Exhibit C. Subcontractor’s cost is understood to express all items required to incorporate the alternate add to or deduct price from the Subcontract Price for the work required, including General Conditions, Overhead and Profit, and other cost impacts to integrate the alternate scope change into the Subcontractor’s Scope of Work.

Exhibit A, Page 18 of 18

Scope of Work/Supply and Clarifications/Qualifications

Version 4.0

(06.2006 ed. Rev. 0)