Research and Economic Research and Economic Building Occupants: - PDF document

The REDC Building Introduction Introduction Location: Erie, PA Location: Erie, PA Research and Economic Research and Economic Building Occupants: School of Business and Building Occupants: Pre-bid Pre-bid School of Business and School of Engineering and Engineering Technology School of Engineering and Engineering Technology WBE/MBE WBE/MBE Development Center Development Center Owner: The Pennsylvania State University Owner: The Pennsylvania State University Scope Review Scope Review and Department of General Services and Department of General Services Cladding Cladding Total Cost: $30 million Total Cost: $30 million A Building’ ’s Life Changing Journey s Life Changing Journey Structure: Steel Structure: A Building Steel Procurement Procurement Exterior: Glass, Metal Panel, and Brick Walls Exterior: Glass, Metal Panel, and Brick Walls Skylight Skylight Thermoplastic Roofing Thermoplastic Roofing By Kristen Eash Size: 161,500 Construction Construction Size: 161,500 Sq.Ft Sq.Ft.; 2.5 stories .; 2.5 stories Windmill Windmill Conclusion Conclusion Questions Questions The building had now been out to bid: The Story Introduction Introduction During this story I will be taking you on a Pre-bid Pre-bid trip though the building’s life. WBE/MBE WBE/MBE Pre-Bid Scope Review Scope Review •Pre-Bid – WBE/MBE Solicitation Cladding Cladding •Scope Review – Cladding WBE/MBE Solicitation Procurement •Procurement – Skylight Procurement Skylight •Construction – Windmill Skylight Construction Construction Windmill Windmill Conclusion Conclusion Questions Questions Pre-Bid Pre-Bid WBE/MBE Solicitation WBE/MBE Solicitation Introduction Introduction • Funding: Department of General Services (DGS) The Survey asked the following things: • DGS requires: Women and Minority Businesses Pre-bid Pre-bid (WBE/MBE) Solicitation. WBE/MBE WBE/MBE • Does this increase Pre-bid time? All said YES • OR ELSE: their bid is Thrown Out. • Is WBE/MBE Solicitation FAIR? Scope Review Scope Review • The forms: Cladding Cladding 71% said NO (many opinions were given as – Long to why this is so) – Complex Procurement Procurement • Have you hired a sub you normally wouldn’t? – Time consuming Skylight Skylight 91% Have and of this 58% were unsuccessful Contracts Construction Construction • WHAT ARE THE EFFECTS ON THE PRIME Windmill Windmill CONTRACTORS? Conclusion Conclusion Questions Questions 1

Pre-Bid Pre-Bid WBE/MBE Solicitation WBE/MBE Solicitation Introduction Introduction How many DSG Projects have contractors How much do Contractors Increase their Bids by? bid on? 45% of the contractors increased their bid. Of those: Pre-bid Pre-bid WBE/MBE WBE/MBE Bid Increase Percentage Scope Review Scope Review Cladding Cladding 10% Less than 1% 40% 20% Procurement Procurement 1-3% 3-5% Skylight Skylight More than 5% 0% Unnamed Amount 30% Construction Construction Windmill Windmill Conclusion Conclusion This means that in general owners will be paying 1.8% more on DGS project that require WBE/MBE solicitation. Questions Questions Scope Review The low bid contractors have been chosen. It was now time for… Cladding Introduction Introduction Problem: Pre-bid Pre-bid •Erie has poor construction practices with Metal Siding WBE/MBE WBE/MBE •Other buildings with siding need maintenance every 7 years Scope Review Scope Review •Maintenance is expected to cost REDC $85,000 each time. Scope Review Cladding Cladding •There are 3900 SF of the panel designed onto the building Procurement Cladding Procurement Skylight Skylight Proposal: Construction Construction •Replace with either Glass or Brick Curtain Wall System Windmill Windmill Conclusion Conclusion Questions Questions Scope Review Scope Review Cladding Cladding Introduction Introduction Schedule: Cost: Pre-bid Pre-bid Name Daily Output Construction Length Name Cost/ SF Cost Maintenance WBE/MBE WBE/MBE 98 SF/Day Glass and aluminum supports Glass and Supports 41 days $45 $175,500 $0 Scope Review Scope Review Cladding Cladding Brick $28.75 $112,125 $0 Brick 230 SF/Day 17 days Procurement Procurement Metal Siding and aluminum $229,670 Metal Siding $9.79 $35,244 775 SF/Day 6 days Skylight Skylight supports (@4%) 1 day added to systems Aluminum supports 1020 SF/Day Construction Construction that need this This makes the Brick the Cheapest system event thought the initial Windmill Windmill cost for metal panel is cheaper. Metal Panel is the fastest but this work is not on the critical path. Conclusion Conclusion This means that adding a few extra days won’t matter. Questions Questions 2

Scope Review Scope Review Cladding Cladding Introduction Introduction Structural Support: Conclusion: Pre-bid Pre-bid Research Metal Panel Glass Brick WBE/MBE WBE/MBE Lifetime Cost $229,670 $175,500 $112,125 Scope Review Scope Review (@ 4%) Cladding Cladding Maintenance $85,000 every 7 years $0 $0 Procurement Procurement System $35,244 $175,500 $112,125 Skylight Skylight Schedule 6 days 41 day 17 days Construction Construction Structure All same All same All same Windmill Windmill Constructability Worst Middle Best Conclusion Conclusion All three systems are supported by the same curtain wall even though As shown Brick ends up being the best system for the building. the metal panel is 12 psf, the glass is 30 psf, and the brick is 55 psf. This should be changed as a change order immediately. Questions Questions Procurement The contracts have been signed. Now its time for… Skylight Introduction Introduction Problem: Pre-bid Pre-bid •There is a joist that runs through the center the skylight in the WBE/MBE WBE/MBE main lobby Scope Review Procurement Scope Review Cladding Cladding Skylight Procurement Procurement Skylight Skylight Construction Construction Windmill Windmill Conclusion Conclusion Proposal: •Remove the Joist and redesign the roof joist system Questions Questions Procurement Procurement Skylight Skylight Introduction Introduction Analysis: Analysis: Pre-bid Pre-bid •Joist supports the skylight which weighs 155 plf L.L & 125 plf D.L. •To check my work a structural program was run. This also helped WBE/MBE WBE/MBE my redesign the removed joist •Below is a picture of the original system Scope Review Scope Review Cladding Cladding Procurement Procurement Skylight Skylight Construction Construction Windmill Windmill Conclusion Conclusion Questions •The joist was removed and new loads were calculated by hand. Questions 3

Procurement Procurement Skylight Skylight Introduction Introduction Analysis: Cost: Pre-bid Pre-bid Name Unit Original Amount New Amount •The support was also redesigned. WBE/MBE WBE/MBE 13.13 per LF 69 LF ($905.97) 36 LF ($472.68) 30KCS3 9.57 per LF 0 23 LF ($220.11) 12KCS1 Scope Review Scope Review Welding 51.60 per LF 0 4 LF ($206.40) Cladding Cladding 1” Steel Plate 39 per SF 0 2 SF ($78.00) Total $905.97 $977.19 Procurement Procurement Skylight Skylight This is a total increase of just over $71. Schedule: Construction Construction Name Unit Original Amount New Amount Windmill Windmill Welding 12 per Day 0 4 LF (+2hr 40 min) 10 per hour 6 8 (+12 min) Connect Joist Conclusion Conclusion This is a total time increase of 3 hours. Questions Questions Procurement Materials have shown up on site. Work is beginning. Skylight Introduction Introduction Conclusion: I recommend removing the joist for the additional $71 and 3 Pre-bid Pre-bid hours. This change should be done with a change order and WBE/MBE WBE/MBE the effect should be shown in the procurement. Scope Review Scope Review Construction Cladding Cladding Windmill Procurement Procurement Skylight Skylight Construction Construction Windmill Windmill Conclusion Conclusion Questions Before After Questions Construction Construction Windmill Windmill Introduction Background: Introduction Power Generation: •Building sits in line with Lake Erie and gets lake effect wind •The average wind speed of the Pre-bid Pre-bid •Penn State is trying to enhance energy conservation. area is 11.1 mph (5 m/s) WBE/MBE WBE/MBE •REDC is an Engineering and Engineering Technology •The windmill has an efficiency Building. Scope Review Scope Review of 64% Cladding Cladding •The windmill is assumed to run Procurement Procurement 24 hours a day Skylight Skylight •Power Generated = Proposal: •I propose placing windmills on the roof of the building 25 Watts/ Windmill Construction Construction •Add a display into the lobby of the building to make this an Windmill Windmill interactive learning process. •Total Power / Windmill = 200,000 kWh/Year Conclusion Conclusion Questions Questions 4