61 East Bank Street
7/15/2016
$
38,054,169 40,998,076
RFP Estimate Dated 2/22/16
$
DesignDevelopment Estimate Dated 7/15/16
$
2,943,907
Estimate Savings/Overrun
Scope Adjustments (Increases/Decreases)from the Revised Initial Estimate
1 2 3 4 5 6 7 8 9
Div 2 - Building Excavation/Earthwork
Deduct for basement footprint reduction (water service room relocation; 5744cy to 5574) Deduct for removal of catch basins (w/ site utilities) Additional excavation for CIP retaining wall per new detail C700
$ $ $ $ $ $ $ $
(5,939.00) (3,000.00) 8,288.00 6,395.00 (2,414.00) 54,154.00 86,598.00 8,164.00
Additional backfill for CIP retaining wall per new detail C700
Removal of caisson spoils - adjustment Adjustment: DD drawing correction on grading plan to reflect consistent basement FTF elevation of 11'-6"; BFE of 4.72 ILO 6.70 (per SD documents) Revised open cut excavation slope from 1:1 to 1.5: 1
Remaining difference:
10 11
$
152,246.00
Div 2 - CIP Concrete Loading Dock Wall
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
SD estimate excluded any temporary or permanent site retention. Value indicated here reflects new CIP retention wall dtl per DD sheet C700.
$
75,603
$
75,603.00
Div 2 - Caissons (2) fewer caissons than previous SD budget due to relocation of water service rm from NW to SW corner. Additional (2) caissons for tower crane. Correction for CCD changes: T.O.C. At 3.72 CCD Increase for concrete (cement) premium anticipated for work installed after January 1, 2016. Remaining difference:
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
(20,984.00) 32,000.00 34,000.00 20,760.00
413.00
$
66,189.00
Div 2 - Sewer & Water Revised storm water detention from SD assumptions.
62,877.00 29,560.00 (9,083.00) 11,980.00 43,828.00
Domestic Water; distribution extended further to SE water service room
Stormwater (@patios, etc) - piping, structures, excavation, backfill - added per DD docs Stormwater (@west) - piping, structures, excavation, backfill Stormwater (@southeast) - piping, structures, excavation, backfill - added per DD docs Patio wall structure(s) - stairs to patios; reduction in qty (64 risers to 56 risers) CIP walls and foundations - qty & Pricing (94cy to 110cy) - Non building CIP stairs - pricing increase Misc. Planter curb reduction (assumed to be limestone per landscaping drawings): Div 2 - Site Concrete Sidewalk Revisions Drive aprons, loading dock pavements (previously figured as asphalt) Concrete curb revisions
$
139,162.00
5,844.25 14,351.00 2,391.00 (11,760.00) (2,690.00) 18,865.00 10,640.00
8,499.00
$
46,140.25
Div 2 - Paving
Asphalt paving - reduction (from 500sy' to 249sy) of areas previously figured as asphalt to concrete or pavers Pavers (qty, from 4870sf to 4336sf) Pavers furnish cost increase
$ $ $
(18,400.00) (5,170.48) 36,340.00
$
12,769.52
Div 2 - Landscape/Irrigation Limestone curb assemblies Greenroof qty, 4" (SD >> DD) Greenroof qty, 12" (SD >> DD) Premium for rooftop trees/plantings
$ 170,000.00
$ $ $
16,360.00 15,330.00 10,800.00
$
212,490.00
Div 3- Super Structure
Winter conditions
$ $ $ $ $ $ $ $ $ $ $
60,000 31,000
Roof deck (formally thought as a open area) Omit grinding of supported slab Increase of mild steel 4.5 ppsf to 5 ppsf Concrete material increase of $30 / yard Add caisson caps Overall Rebar cost increase Labor rate escalation post 6/1/2016 Labor Premium above scale
(25,000) 76,000 59,000 180,000 150,000
40,000
100,000 50,000 10,582
misc. Crane Premium 5 months
$
731,582.00
Div 5 - Structural/Misc. Steel Shelf angles for masonry exterior: qty and material cost increase Shelf angles for masonry exterior: premium for galvanized angle Pergola/buttress structure: changed from CIP to steel cols/beams
$ 135,640.00 $ 102,551.00
$ $ $ $ $ $ $
22,230.00 4,000.00 14,020.00 20,160.00 1,080.00 14,440.00 4,500.00
Railing at lobby - stainless steel Structural steel support for screenwall at primary roof level (due to change in qty from 41' to 180') Structural steel support for trellis (per landscape drawings):
Stair Railing at interior water service rm Stair Railing at exterior Stairs, at patios Stair Railing at exterior Stairs, from basement
Page 1 of 3 Return to Table of Contents
Made with FlippingBook flipbook maker