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Wellesley High School Project
Update for Annual Town MeetingApril 2010
Summer 2009 Construction of 3 off site parking lots
with porous pavement for WHS staff State Street lot expanded to 31
spaces; 26 for faculty, 5 for Brook path walkers
Tennis court lot expanded to 33 spaces
Basketball courts turned into 60 tandem spaces with 5 single spaces
State Street lot expanded
Summer 2009 cont. Construction of 5 new classrooms in old
school from lecture hall space to handle increased enrollment
Upper part of lecture hall demolished. Steel beams to support new classrooms
Corridor to 5 new classrooms
New classroom
Summer 2009 cont. Construction fence up, scaffolding around edge
of school adjacent to construction fence House at 57 Seaver St. moved across site to
Rice Street location Air filters installed on air intakes of old school Work to bring utilities on site begins
Scaffolding around edge of old school to provide protected corridor
September 2009 Old parking lot cleared (removal of planters,
trees, asphalt) Work continues on sewer and water Official Groundbreaking 9/29/09
Groundbreaking
October 2009
Trailers set up on site Concrete footings work begins Asbestos and lead abatement on 2
remaining Seaver St. houses (#53 & #55)
Continued work on sewer and water
Trailer complex on edge of Rice Street
Site viewed from Rice Street
Seaver Street house-lead abatement before demolition
November 2009
2 Seaver St. houses demolished Concrete footings continue
Concrete Foundation:Formwork is being installed, and reinforcement bars and anchor bolts are being set to pour concrete foundation walls, piers, and footings.
Rebar in place as concrete is poured.
November 2009 cont.
Pile driving begins on 11/9 252 steel H piles vibrated in during
school day and hammered to completion after school
Depth of 40-60 feet Piles in areas A and B, remainder of
building (C and D) has concrete spread footings
Area reference plan of new schoolRice Street
Front offices, gym, locker
rooms
Auditorium, arts, science
wing
2 academic wings
cafeteria, classes above
Equipment on site for pile driving.
H Pile lifted into place
Vibrating pile into place
December 2009
Piles completed with little impact on function of school
Concrete footings continue Begin review of thousands of steel
drawings with architect and Turner
January 2010 Foundation completed including all pile
caps and spread footings Piles excavated to install pile caps Forms placed with rebar for pile caps and spread
footings Concrete poured Cured with heat (as needed due to weather) Waterproofed Insulation installed Backfilled
Piles driven to completed depth.
Pile Caps:Piles are being excavated in order to form pile caps.
Pile Caps:Following excavation, piles are stoned to subgrade before placing forms with rebar and pouring concrete for pile caps.
Concrete Foundation:Concrete is poured into forms with rebar in place.
Forms in place for concrete pour.
Pile Cap
In order for the concrete to cure properly in winter months, heating coils with concrete blankets are set on it.
Here are the heating coils.
Here are the concrete blankets.
Concrete blankets.
Waterproofing:Concrete foundation walls and brick shelves are waterproofed. Procor waterproofing is sprayed on and rigid insulation is set in place.
Spread footing section with waterproofing sprayed on and insulation in place.
Backfilling:Due to the cold weather, it is important to remove the frost layer before backfilling with structural soil/fill.Here is unsuitable frost layer.
Backfilling:Area following backfill with structural soil/fill.
View from Seaver Street side of site.
January cont.
Applied for construction permit Rest of project out to bid
February-March Construction permit issued Crane arrives on site in multiple
pieces, is assembled and inspected by third party
Steel erection begins mid-March starting with Building C, followed by D, B, A
Utility work resumed with better weather in late March
Steel: March-September 2010
2000 tons of structural steel in plan 10,000 individual pieces
Beams & Columns Plates Angles Lintels
Architect rendering of steel structure
Steel erection began 3/12/10
Steel erection in Building C, adjacent to back of old school
Crane in action
View from Seaver Street side of site
Work begins on third floor
View from lecture hall classroom in old school
Looking forward into 2010-12 Installation of metal deck, followed by
concrete Then exterior skin with goal of being
weather tight by early 2011 Building substantially complete by
March 2012 Then commissioning of systems,
move from old school Open for students September, 2012
Additional comments
Project is on time and within budget MSBA closely monitoring project; both
budget and progress of construction GMP (guaranteed maximum price)
signed by PBC in March Outreach continues to neighbors and
parents on progress and impact on school function
View from above
Photos taken by Turner Construction from WHS tower
October 29, 2009
November 14, 2009
December 9, 2009
January 11, 2010
March 16, 2010
March 31, 2010