Golden Brook School
Golden Brook School Windham, NH October 20, 2015
Option C vs Option D Phasing and Construction Cost Comparison
Prepared By:
v2
Golden Brook School Windham, NH October 20, 2015 Estimate of Probable Construction Cost OPTION Low
C IS D S S
U N
IO
CM Fee
Y
Bonds and General Liability Insurance
G
Builder's Risk Insurance
LO
CM Contingency
O D
Winter Conditions
O
Temp Work and Protection
H
General Conditions
T E
Sitework Costs
M
Base Building Cost
High
TOTAL CONSTRUCTION COST
Option C Phasing Plan #1 2 Phase Scheme (24 Months)
OPTION C - PHASE 1 24 Months Total Duration June 2016 to Aug 2016 - Install Temporary Classrooms Aug 2016 to June 2017 - Construct Addition Summer Vacation 2017 - Move into new addition
Kindergarten Main Entrance
Phase 1
GBS Main Entrance
10 Temporary Classrooms
OPTION C - PHASE 2 24 Months Total Duration June 2017 to Aug 2017 - Building demo and sitework Aug 2017 to June 2018 - Construct Addition Summer Vacation 2018 - Move into new addition
Kindergarten Main Entrance
Phase 2
GBS Main Entrance
Option C Phasing Plan #2 4 Phase Scheme (30 Months)
OPTION C - PHASE 1 30 Months Total Duration Aug 2016 to Feb 2017 - Construct Addition
Kindergarten Main Entrance
GBS Main Entrance
Phase 1
OPTION C - PHASE 2 30 Months Total Duration Feb 2017 to Dec 2017 - Construct Addition
Kindergarten Main Entrance
Phase 2
GBS Main Entrance
OPTION C - PHASE 3 30 Months Total Duration Jan 2017 to July 2017 - Complete Final Addition
Kindergarten Main Entrance
Phase 3
GBS Main Entrance
OPTION C - PHASE 4 30 Months Total Duration June 2017 to Jan 2018 - Demo & Rebuild Core
Kindergarten Main Entrance
GBS Main Entrance Phase 4
Option D Phasing Plan 3 Phase Scheme (24 Months)
OPTION D - PHASE 1 24 Months Total Duration July 2016 to Aug 2016 - Relocate underground utilities Aug 2016 to February 2017 - Construct Addition February 2017 Vacation - Move 'Quads' into new addition Phase 1 (12 classrooms)
Kindergarten Main Entrance
GBS Main Entrance
OPTION D - PHASE 2 24 Months Total Duration Feb 2017 to Aug 2017 - Renovate 'Quads' & build addition Summer 2017 - Move 'Pods' into renovated 'Quads'
Kindergarten Main Entrance
Phase 2 (12 classrooms)
GBS Main Entrance
OPTION D - PHASE 3 24 Months Total Duration June 2017 to July 2018 - Complete final addition Summer 2018 - Reorganize grades district-wide
Kindergarten Main Entrance
Phase 3
GBS Main Entrance
Construction Cost Estimates
Golden Brook School Windham, NH October 20, 2015
Estimate of Probable Construction Cost OPTION C Low
High
Base Building Cost
$ 19,200,000
$ 20,200,000
Sitework Costs
$
2,400,000
$
2,650,000
General Conditions
$
800,000
$
1,000,000
Temp Work and Protection
$
150,000
$
400,000
Winter Conditions
$
200,000
$
450,000
CM Contingency
$
800,000
$
1,000,000
Builder's Risk Insurance
$
50,000
$
80,000
Bonds and General Liability Insurance
$
307,000
$
335,000
CM Fee
$
705,000
$
875,000
TOTAL CONSTRUCTION COST
$ 24,612,000
$ 26,990,000
Note: A structural review of the existing building is needed to evaluate the feasibility of constructing a second floor on the existing foundations and walls. The results of the structural analysis may impact the costs shown above. The 2-phase approach is reflected in the low range for general conditions, temp work and protection, and winter conditions.
Golden Brook School Windham, NH 10/20/2015
Estimate of Probable Construction Cost OPTION D Low
High
Base Building Cost
$ 19,000,000
$ 20,000,000
Sitework Costs
$
2,400,000
$
2,650,000
General Conditions
$
700,000
$
800,000
Temp Work and Protection
$
100,000
$
200,000
Winter Conditions
$
250,000
$
350,000
CM Contingency
$
800,000
$
1,000,000
Builder's Risk Insurance
$
50,000
$
80,000
Bonds and General Liability Insurance
$
303,000
$
326,000
CM Fee
$
696,000
$
851,000
TOTAL CONSTRUCTION COST
$ 24,299,000
$ 26,257,000
Note: A structural review of the existing building is needed. We have assumed that existing foundations, walls and roof structure in the areas to be renovated will remain as is.This option includes construction in an area that appears to have significant underground utilities. Further investigation and design direction is needed to accurately determine cost impacts.
Golden Brook School Windham, NH October 20, 2015
Potential Value Engineering / Cost Savings Ideas 1.
Cut added space (12,000sf)
2.
Substitute ceramic tile at lobby
3.
Substitute metal paenl at lobby
4.
Substitute ground face block at lobby
5.
Remove roof overhangs
6.
Block bearing instead of steel frame
7.
Substitue Won Fire Doors
8.
Remove sunshades/light shelves
9.
Substitute for ceiling tile
10. Reuse existing foundations, insulation, walls, roof 11. No additional roof support 12. Reuse gym equipment
Golden Brook School Windham, NH October 20, 2015
Estimate of Probable Construction Cost ALTERNATES Alt 1: GBS Kindergarten Addition
$
922,400
Alt 2: GBS Kitchen
$
560,600
Alt 3: GBS Enlarged Gymnasium
$
755,000
ALTERNATE TOTAL COST
$
2,238,000
Note: Alternate costs may vary depending on the selected GBS design option.
Windham Middle School Windham, NH October 20, 2015
Estimate of Probable Construction Cost Middle School Low High Middle School Addition
$
950,000
$ 1,006,300
Middle School Renovations
$
1,550,000
$ 1,630,800
Pump House & Allowance
$
75,000
$
75,000
Sitework Costs
$
100,000
$
140,000
General Conditions
$
240,000
$
348,000
Temp Work and Protection
$
20,000
$
60,000
Winter Conditions
$
-
$
10,000
CM Contingency
$
100,000
$
170,000
Builder's Risk Insurance
$
4,000
$
15,000
Bonds and General Liability Insurance
$
42,000
$
48,000
CM Fee
$
92,000
$
139,900
TOTAL CONSTRUCTION COST
$
3,173,000
$ 3,643,000
Option C vs Option D Phasing and Construction Cost Comparison
Prepared By:
v2
Golden Brook School Windham, NH October 20, 2015 Estimate of Probable Construction Cost OPTION Low
C IS D S S
U N
IO
CM Fee
Y
Bonds and General Liability Insurance
G
Builder's Risk Insurance
LO
CM Contingency
O D
Winter Conditions
O
Temp Work and Protection
H
General Conditions
T E
Sitework Costs
M
Base Building Cost
High
TOTAL CONSTRUCTION COST
Option C Phasing Plan #1 2 Phase Scheme (24 Months)
OPTION C - PHASE 1 24 Months Total Duration June 2016 to Aug 2016 - Install Temporary Classrooms Aug 2016 to June 2017 - Construct Addition Summer Vacation 2017 - Move into new addition
Kindergarten Main Entrance
Phase 1
GBS Main Entrance
10 Temporary Classrooms
OPTION C - PHASE 2 24 Months Total Duration June 2017 to Aug 2017 - Building demo and sitework Aug 2017 to June 2018 - Construct Addition Summer Vacation 2018 - Move into new addition
Kindergarten Main Entrance
Phase 2
GBS Main Entrance
Option C Phasing Plan #2 4 Phase Scheme (30 Months)
OPTION C - PHASE 1 30 Months Total Duration Aug 2016 to Feb 2017 - Construct Addition
Kindergarten Main Entrance
GBS Main Entrance
Phase 1
OPTION C - PHASE 2 30 Months Total Duration Feb 2017 to Dec 2017 - Construct Addition
Kindergarten Main Entrance
Phase 2
GBS Main Entrance
OPTION C - PHASE 3 30 Months Total Duration Jan 2017 to July 2017 - Complete Final Addition
Kindergarten Main Entrance
Phase 3
GBS Main Entrance
OPTION C - PHASE 4 30 Months Total Duration June 2017 to Jan 2018 - Demo & Rebuild Core
Kindergarten Main Entrance
GBS Main Entrance Phase 4
Option D Phasing Plan 3 Phase Scheme (24 Months)
OPTION D - PHASE 1 24 Months Total Duration July 2016 to Aug 2016 - Relocate underground utilities Aug 2016 to February 2017 - Construct Addition February 2017 Vacation - Move 'Quads' into new addition Phase 1 (12 classrooms)
Kindergarten Main Entrance
GBS Main Entrance
OPTION D - PHASE 2 24 Months Total Duration Feb 2017 to Aug 2017 - Renovate 'Quads' & build addition Summer 2017 - Move 'Pods' into renovated 'Quads'
Kindergarten Main Entrance
Phase 2 (12 classrooms)
GBS Main Entrance
OPTION D - PHASE 3 24 Months Total Duration June 2017 to July 2018 - Complete final addition Summer 2018 - Reorganize grades district-wide
Kindergarten Main Entrance
Phase 3
GBS Main Entrance
Construction Cost Estimates
Golden Brook School Windham, NH October 20, 2015
Estimate of Probable Construction Cost OPTION C Low
High
Base Building Cost
$ 19,200,000
$ 20,200,000
Sitework Costs
$
2,400,000
$
2,650,000
General Conditions
$
800,000
$
1,000,000
Temp Work and Protection
$
150,000
$
400,000
Winter Conditions
$
200,000
$
450,000
CM Contingency
$
800,000
$
1,000,000
Builder's Risk Insurance
$
50,000
$
80,000
Bonds and General Liability Insurance
$
307,000
$
335,000
CM Fee
$
705,000
$
875,000
TOTAL CONSTRUCTION COST
$ 24,612,000
$ 26,990,000
Note: A structural review of the existing building is needed to evaluate the feasibility of constructing a second floor on the existing foundations and walls. The results of the structural analysis may impact the costs shown above. The 2-phase approach is reflected in the low range for general conditions, temp work and protection, and winter conditions.
Golden Brook School Windham, NH 10/20/2015
Estimate of Probable Construction Cost OPTION D Low
High
Base Building Cost
$ 19,000,000
$ 20,000,000
Sitework Costs
$
2,400,000
$
2,650,000
General Conditions
$
700,000
$
800,000
Temp Work and Protection
$
100,000
$
200,000
Winter Conditions
$
250,000
$
350,000
CM Contingency
$
800,000
$
1,000,000
Builder's Risk Insurance
$
50,000
$
80,000
Bonds and General Liability Insurance
$
303,000
$
326,000
CM Fee
$
696,000
$
851,000
TOTAL CONSTRUCTION COST
$ 24,299,000
$ 26,257,000
Note: A structural review of the existing building is needed. We have assumed that existing foundations, walls and roof structure in the areas to be renovated will remain as is.This option includes construction in an area that appears to have significant underground utilities. Further investigation and design direction is needed to accurately determine cost impacts.
Golden Brook School Windham, NH October 20, 2015
Potential Value Engineering / Cost Savings Ideas 1.
Cut added space (12,000sf)
2.
Substitute ceramic tile at lobby
3.
Substitute metal paenl at lobby
4.
Substitute ground face block at lobby
5.
Remove roof overhangs
6.
Block bearing instead of steel frame
7.
Substitue Won Fire Doors
8.
Remove sunshades/light shelves
9.
Substitute for ceiling tile
10. Reuse existing foundations, insulation, walls, roof 11. No additional roof support 12. Reuse gym equipment
Golden Brook School Windham, NH October 20, 2015
Estimate of Probable Construction Cost ALTERNATES Alt 1: GBS Kindergarten Addition
$
922,400
Alt 2: GBS Kitchen
$
560,600
Alt 3: GBS Enlarged Gymnasium
$
755,000
ALTERNATE TOTAL COST
$
2,238,000
Note: Alternate costs may vary depending on the selected GBS design option.
Windham Middle School Windham, NH October 20, 2015
Estimate of Probable Construction Cost Middle School Low High Middle School Addition
$
950,000
$ 1,006,300
Middle School Renovations
$
1,550,000
$ 1,630,800
Pump House & Allowance
$
75,000
$
75,000
Sitework Costs
$
100,000
$
140,000
General Conditions
$
240,000
$
348,000
Temp Work and Protection
$
20,000
$
60,000
Winter Conditions
$
-
$
10,000
CM Contingency
$
100,000
$
170,000
Builder's Risk Insurance
$
4,000
$
15,000
Bonds and General Liability Insurance
$
42,000
$
48,000
CM Fee
$
92,000
$
139,900
TOTAL CONSTRUCTION COST
$
3,173,000
$ 3,643,000
