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The Drawingboard
The Drawingboard September 2006 Volume 6, Number 9 In This Issue President’s Message • President’s Message By Brian Flynn, P.E. President • Next Meeting – Sept 28th @ 6:30PM Welcome back, I hope everyone took some time to enjoy the sumer weather. It was a wonderful summer marred only by the • UPDATE – Dept. of Buildings Park's Department last minute cancellation of the PDC Picnic in News Brief August. Now that fall has arrived, we are back in full swing with • Useful Websites for Engineers our schedule of Chapter Meetings and events. This month's • Profile of an Engineer meeting promises to be very interesting with our sponsor Hilti discussing Firestopping techniques. As you all know Professional • 2006 Meeting Schedule Development Hours (PDH's) are available for free to our • Professional Directory and members at all of our meetings every month. In addition, the Sponsors PDC has a lecture series for additional PDH's every month as • PIE August Newsletter well. The next lecture on Tuesday, October 17 will most likely (attached) feature Tim Lynch, PE of the Building Department's Forensic Unit to discuss shoring and underpinning. I would like to announce the appointment of several individuals Board of Directors to head chapter committees. First is Sal Galletta, PE who will Brian Flynn, President head our Committee for Political Action to spear head actions to P.E. (718) 707-0416 promote licensed engineering, including the proposed resolution George L. to create a position of Deputy Mayor for Infrastructure, who is a 1ST Vice Pres. Tavoulareas, licensed engineer or registered architect. -
Innovations & Accomplishments
INNOVATIONS & ACCOMPLISHMENTS East River Bridges A $2.8 billion reconstruction program is underway to rehabilitate all four East River crossings. In 2002, these bridges carried some 467,080 vehicles per day. In 2002, working in coordination with the NYPD and other law enforcement agencies, the Division implemented enhanced security measures on these bridges. This work is ongoing. BROOKLYN BRIDGE The Brooklyn Bridge carried some 121,145 vehicles per day in 2002. The $467 million reconstruction commenced in 1980 with Contract #1, will continue with Contract #6, currently in the design phase and scheduled for completion in 2012, and will end with a seismic retrofit of the bridge, slated for completion in 2013. Work completed on the bridge to date includes reconditioning of the main cables, replacement of the suspenders and cable stays, rehabilitation of the stiffening trusses, and the replacement of the suspended spans deck. The next work scheduled for the bridge is a project to replace the existing travelers with a state of the art technology system. Construction is scheduled to begin in the spring of 2005 and conclude in the spring of 2007. Brooklyn Bridge in 1909 Pedestrian Vibration Study The major blackout of August 14, 2003 forced City officials to close the bridge to vehicular traffic and open the entire bridge to pedestrians. During this mass exodus, several pedestrians reported that the bridge was vibrating and thus causing them great anxiety. At the request of the Office of Emergency Management, an emergency inspection of the bridge was performed that evening as a result of these complaints of “swaying”; no structural problems were found. -
33 CFR Ch. I (7–1–10 Edition)
§ 117.791 33 CFR Ch. I (7–1–10 Edition) from 6 a.m. to 9 a.m. and 5 p.m. to 7 (d) The draw of the state highway p.m., Monday through Friday, except bridge, mile 150.2 between Troy and federal holidays. The draw of the Menands, need not be opened for the Broadway Bridge need not open for the passage of vessels. passage of vessel traffic from 7 a.m. to (e) The draw of the highway bridge, 10 a.m. and 4 p.m. to 7 p.m., Monday mile 152.7 between Troy and Green Is- through Friday, except federal holi- land, operates as follows: days. (1) From April 1 through December (2) The draws of the Willis Avenue 15, the draw shall open on signal from Bridge, mile 1.5, Third Avenue Bridge, 9 a.m. to 4 p.m.; except that, the draw mile 1.9, and the Madison Avenue need not be opened from 6 p.m. to 7 Bridge, mile 2.3, need not open for the a.m., unless notice is given before 4:30 passage of vessel traffic at various p.m. of the time the vessel is expected times between 8 a.m. and 5 p.m. on the to pass, and need not open from 7 a.m. first Sunday in May and November. to 9 a.m. and 4 p.m. to 6 p.m. The exact time and date of each bridge (2) From December 16 through March closure will be published in the Local 31, the draw need not be opened. -
Federal Register/Vol. 65, No. 148/Tuesday, August 1, 2000/Rules
46870 Federal Register / Vol. 65, No. 148 / Tuesday, August 1, 2000 / Rules and Regulations significant economic impact on a Civil Justice Reform Dated: July 19, 2000. substantial number of small entities. G.N. Naccara, ``Small entities'' comprises small This rule meets applicable standards Rear Admiral, U.S. Coast Guard, Commander, businesses, not-for-profit organizations in sections 3(a) and 3(b)(2) of Executive First Coast Guard District. that are independently owned and Order 12988, Civil Justice Reform, to [FR Doc. 00±19396 Filed 7±31±00; 8:45 am] operated and are not dominant in their minimize litigation, eliminate BILLING CODE 4910±15±P fields, and governmental jurisdictions ambiguity, and reduce burden. with populations less than 50,000. Protection of Children The Coast Guard certifies under 5 DEPARTMENT OF TRANSPORTATION U.S.C. 605(b) that this rule will not have We have analyzed this rule under a significant economic impact on a Executive Order 13045, Protection of Coast Guard substantial number of small entities. Children from Environmental Health 33 CFR Part 117 This conclusion is based on the fact that Risks and Safety Risks. This rule is not three of the bridges presently open after an economically significant rule and a six-hour notice May 1 through does not concern an environmental risk [CGD01±99±069] September 30, which is greater than the to health or risk to safety that may proposed two-hour notice during those disproportionately affect children. RIN 2115±AE47 five months. The Coast Guard believes that the Environment Drawbridge Operation Regulations: two-hour advance notice October 1 Newtown Creek, Dutch Kills, English The Coast Guard considered the through April 30 is reasonable because Kills and their tributaries, New York the bridges will still open on signal environmental impact of this rule and provided the two-hour notice is given. -
A Look at Bridges: a Study of Types, Histories, and the Marriage of Engineering and Architecture Cody Chase Connecticut College
Connecticut College Digital Commons @ Connecticut College Architectural Studies Integrative Projects Art History and Architectural Studies 2015 A Look at Bridges: A Study of Types, Histories, and the Marriage of Engineering and Architecture Cody Chase Connecticut College Follow this and additional works at: http://digitalcommons.conncoll.edu/archstudintproj Recommended Citation Chase, Cody, "A Look at Bridges: A Study of Types, Histories, and the Marriage of Engineering and Architecture" (2015). Architectural Studies Integrative Projects. Paper 73. http://digitalcommons.conncoll.edu/archstudintproj/73 This Article is brought to you for free and open access by the Art History and Architectural Studies at Digital Commons @ Connecticut College. It has been accepted for inclusion in Architectural Studies Integrative Projects by an authorized administrator of Digital Commons @ Connecticut College. For more information, please contact [email protected]. The views expressed in this paper are solely those of the author. CODY CHASE SENIOR INTEGRATIVE PROJECT: INDEPENDENT STUDY ARCHITECTURAL STUDIES CONNECTICUT COLLEGE 2015 A"LOOK"INTO"BRIDGES" A"Study"of"Types,"Histories,"and"the"Marriage"of" Engineering"and"Architecture" " Cody"Chase"‘15" Architectural"Studies"Major,"Art"History"Minor" Senior"IntegraHve"Project" " Why Bridges? Where to begin? TYPES OTHER • Arch • Glossary • Beam/Girder/Stringer • Materials • Truss • History of Failures • Suspension • Models • Cable-Stayed • Moveable Span What makes a bridge stand up? FORCES ***Compression: -
Court Sq-23 St E
Neighborhood Map ¯ 25-16 27-17 Riverwalk 9-19 Commons 38 Avenue 39-01 21-18 38-99 22-01 37-99 t 27-12 e 10 Street 28-17 38-01 37-31 e 38-99 r 29 Street t Roosevelt Island Q102 10-11 11 Street S n Promenade Queens Q103 i 22-18 38-99 40 Avenue Q100 39-01 Old Ridge Road a East River Q102 12 Street 23-01 28-18 LTD 38-01 M 37-49 38-99 39 Avenue Greenway 13 Street Q100 40-01 Q103 11-11 Q66 LTD Q69 38-99 23-14 24-19 39-01 29-18 Vernon Boulevard Queensbridge 38-01 38-99 Q66 North 21 StreetQ69 Roosevelt 12-15 Houses 24-20 38-99 39-01 25-19 38-99 22 Street Island 40-01 13-13 38-99 40-99 40 Avenue 25-20 Firefighters 39-01 27-19 39-99 39 Avenue Field 23 Street Queensbridge 8-25 21-19 27-20 38-99 39-01 28-11 Fisher Landau Park 41-01 24 Street Center for Art 40-01 21-22 39-99 Roosevelt 8-26 22-01 38-99 1 40-99 28-10 Island 39-01 29-19 Q102 Q103 10-25 Queensbridge North Queensbridge 22-14 39-99 40-01 Houses 23-13 Crescent Street 38-99 4 29-08 Q102 41 Avenue Library 39-01 d 41-01 Q103 40 Avenue a 39 Av o 27 Street R 39-99 t 23-02 s Queensbridge 40-01 24-11 a 39-01 E 2 South 10-26 40-99 Houses 28 StreetGrowing Up 39-99 10-25 24-16 Green Q32 40-01 25-17 Charter School Q60 Q103 21 St Q101 3 41-01 Queensbridge 29 Street Queensboro Q103 10-26 25-20 39-99 Bridge 40-01 27-15 10 Street 40-99 40 Avenue St. -
Hutchinson River CSO Long Term Control Plan (LTCP)
Hutchinson River CSO Long Term Control Plan (LTCP) The Hutchinson River is an area of significant natural resources that provides communities in the Bronx with nature access at Pelham Bay Park as well as other areas along the river. DEP will complete a Long Term Control Plan to better understand how combined sewer overflows (CSOs) affect water quality and related recreational uses in the Hutchinson River waterbody. The goal for the combined sewer overflow Long Term Control Plan is to identify the appropriate controls necessary to achieve waterbody-specific water quality standards, consistent with EPA’s 1994 CSO Policy and subsequent guidance. The Hutchinson River begins in Westchester County, flows through the Bronx into Eastchester Bay Tributary to East River. The Hutchinson River is classified for primary and secondary recreation contact and fishing. The portion of the river within New York City can be affected by pollutant loads originating in the upstream portions of the river located in Westchester County. In anticipation of developing and finalizing the Hutchinson River LTCP, DEP will continue to study and evaluate load reduction alternatives in the Hutchinson River as well as collaborate with DEC to approach multi-jurisdictional issues. In addition, DEP is investing approximately $18 million dollars in Green Infrastructure in the combined sewer areas over the next few years. DEP is investing approximately $18 million dollars in three large projects New York City Housing Authority Retrofit – Edenwald Houses • Impervious area managed: -
Board of Commissioners of the NYC Dept of Public Parks
• DO()UMENT No. 23. BOARD OF THE DEP ARTlIENT OF PUBLIC PARKS. MAY 2, 1871. The President presented a .certined .copy of an act entitled "An act relative to the improvement of certain portions of the counties of vVestchester and New York, including provisions for .communication between said counties, and for improving the navigation of Harlem river and Spuyten Duyvil creek." Ordered, That said act be laid on the table and printed in document form. GEO. M. V AN NORT, Olerk. • Chap. 534. AN ACT relative to the impt'ovement of certain portions of the counties of Westchester and New York, including provisions for communication between said counties, and for improving the navigation of Harlem river and Spny~en Dnyvil creek. Passed April 15, 1871; three fifths being present. The People of the State of New Ym'/c, represented in Senate and A8sembly, do enact as follow8 : SECTION 1. It shall be the duty of the board of commissioners of the department of public parks of the city of New York, to cause a proper survey to be made of all that part of the county of "Vestchester lying south of the southerly line' of the village of Y OIIkers, and a line in continuation thereof eastwardly to Hutchinson river or creek, and including that part of said county lying south of said line and west of said river or creek, or the westerly boundary line of the town of Pelham to Long Island sound, and to devise and prepare maps, plans and pro files embracing and showing such changes in the location, 'width, courses, windings, and grades of the streets, avenues, and -
1 NYC Bridge and Screenline Traffic Volumes Dashboard Metadata
NYC Bridge and Screenline Traffic Volumes Dashboard Metadata Data Methodology Vehicular traffic volumes are collected annually for a two week period either during the fall months of September, October, and November or during the spring months of March, April, May, and June. Most of these traffic volumes are collected using Automated Traffic Recorders (ATRs), which record each vehicle as it passes over a pneumatic tube. A small percentage are collected using cameras. Average hourly volumes and an average daily volume are calculated from valid midweek days (Tuesday through Thursday). Dashboard Visuals The line graph on the “Average Daily Traffic Volumes per Facility per Year” page (page 1 of 2) represents a bidirectional (where applicable) average daily volume per location dating back to 1981 for most locations. The line graph on the “Average Hourly Traffic Volumes per Facility” page (page 2 of 2) represents the average bidirectional (where applicable) hourly volumes per location. This graph displays the end of the hour for each traffic volume on the x axis. For example, in the year of 2019 for Brooklyn Bridge, the traffic volume of 7,931 occurs during the 11:00 PM to 12:00 AM time period. Similarly, the traffic volume of 5,333 occurs during the 12:00 AM to 1:00 PM time period, and so on. The "Group" and the "Facility" filters will apply to both graphs. The "Year" filter will only alter the "Average Hourly Traffic Volumes per Facility" line graph. Each graph can display a maximum of only 60 facilities (lines) due to a limitation with Power BI. -
Pleistocene Multi-Glacier Hypothesis Supported by Newly Exposed Glacial Sediments, South Twin Island, the Bronx, New York
111 PLEISTOCENE MULTI-GLACIER HYPOTHESIS SUPPORTED BY NEWLY EXPOSED GLACIAL SEDIMENTS, SOUTH TWIN ISLAND, THE BRONX, NEW YORK John E. Sanders, Charles Merguerian, Jessica Levine, and Paul M. Carter Geology Department, 114 Hofstra University Hempstead, NY 11550-1090 INTRODUCTION On 02 November 1996, during Hofstra University Geology Department's biannual Introductory Geology field trip to Pelham Bay Park in The Bronx, CM noticed that the intense storm of 19 October 1996 had undercut the coastal bluff at the south end of Soutb Twin Island, exposing a brownish till beneath previously visible reddish-brown till. Subsequent to this short- but enlightening large-class visit, we revisited the site on 05 and 12 November 1996 to excavate-, clean up-, and sample a 2-m-high face that exposed four layers of Pleistocene strata, the lowest of which was found to rest on striated bedrock of the Hartland Formation. Based on our previous studies of ice-eroded features on the bedrock here and elsewhere in southeastern New York, we found evidence of three glaciations, with ice flow from the NNE (G lacier I of Table 1), from the NNW (Glaciers IT and/or m, which created the spectacular set of parallel striae oriented N32°W-S32°E at South Twin Island), and from the NNE (Glacier TV). We thought the storm and our shovels had exposed Till TV . The mineral composition- and color oftbe +0.5-phi fraction of the Pleistocene materials from the newly exposed section, however seems to indicate otherwise. Only two contrasting suites are present in four distinct layers: (A) a reddish-brown layer in which well-rounded reddish-brown siltstone rock fragments predominate, and (B) three other layers. -
Division Overview
DIVISION OVERVIEW As an integral part of New York City's Department of Transportation, the Division of Bridges has a two-fold mission: to maintain an optimal transportation network by ensuring smooth mobility on the city's bridges, and to ensure the safety of the public. The New York City Department of Transportation’s Division of Bridges is comprised of five major bureaus. The Chief Bridge Officer is responsible for formulating policy and providing executive direction. He oversees all aspects of the design, construction, rehabilitation and reconstruction, maintenance, operation and administration of the 787 bridges (including 5 tunnels), and 61 culverts presently under the jurisdiction of the New York City Department of Transportation (NYCDOT). In addition to broad supervision, the Chief Bridge Officer also provides overall executive and administrative direction for the Division of Bridges, and ensures that all contractors are promptly paid. Reporting to the Chief Bridge Officer, the Community Affairs Unit maintains liaison with elected officials, community boards, community groups, and civic/neighborhood associations. The Unit takes a pro-active approach in addressing design issues, roadway closures, and detours by reaching out to communities prior to the onset of construction. This enables the Division to proceed with its rehabilitation program with community input, and allows the Agency and its contractors to co-exist in a more harmonious manner with the community surrounding the project. Issues and problems of concern to the communities -
Newtown Creek SAMPLES Water Quality Results from Community-Led Research, 2017
Newtown Creek SAMPLES Water Quality Results from Community-Led Research, 2017 Newtown Creek SAMPLES Water Quality Results from Community-Led Research, 2017 In 2017 the Newtown Creek Alliance, Table of Contents in partnership with LaGuardia Community College and the North Introduction 4 Brooklyn Boat Club, ran an extensive Combined Sewer Overflow 5 water quality program, collecting over Sampling Locations 7 2,000 points of data from seven Rainfall 9 different locations on Newtown Creek. Dissolved Oxygen 11 This report provides details on the Enterococcus 15 parameters that we tested for, trends Phosphorus 17 that were observed as well as specific Algal Blooms 18 issues we targeted through our Marine Debris 21 research. Bird Survey 22 Next Steps 23 Additional Resources 24 Funding for this report was provided by the Hudson River Foundation. 1 In 2017 the Newtown Creek Alliance, Table of Contents in partnership with LaGuardia Community College and the North Introduction 4 Brooklyn Boat Club, ran an extensive Combined Sewer Overflow 5 water quality program, collecting over Sampling Locations 7 2,000 points of data from seven Rainfall 9 different locations on Newtown Creek. Dissolved Oxygen 11 This report provides details on the Enterococcus 15 parameters that we tested for, trends Phosphorus 17 that were observed as well as specific Algal Blooms 18 issues we targeted through our Marine Debris 21 research. Bird Survey 22 Next Steps 23 Additional Resources 24 Funding for this report was provided by the Hudson River Foundation. 2 3 Introduction Newtown Creek is a 3.8 miles waterway forming the western border between the boroughs of Brooklyn and Queens in New York City.