Development of Detailed Right of Way Quantities and Footprint for Pipelines

2017 ◽  
Author(s):  
Sherif Soliman ◽  
Grenan Mongroo ◽  
Carlos Penate ◽  
Bahar Farhadi
Keyword(s):  
Cross Section ◽  
Analytical Methods ◽  
Supply And Demand ◽  
Mountainous Areas ◽  
Construction Planning ◽  
Pipeline Construction ◽  
Right Of Way ◽  
Lessons Learnt ◽  
Design And Construction

The design and construction planning of pipelines is a multidisciplinary effort that requires support and input from geotechnical, geomatics and pipeline construction specialists. The cooperation between those disciplines is more pronounced and required when the pipeline traverses rugged mountainous areas with challenging settings. This paper begins by considering the range of topographic, geological, construction and other route datasets and how they are generated. A presentation of an application that has been developed and utilizes progressively improving route datasets as projects advance to generate Right-of-Way (ROW) footprint and detailed construction quantities such as granular excavation volumes, supply and demand quantities and cross-section details is introduced. An overview of construction details including construction direction, seasonality, and ROW profile is then offered. In addition, several analytical methods are available for deployment, each being suited for various stages of a project’s development. These analytical methods include advanced workbooks and GIS Enabled Applications that leverages DTM information as well as commercially available packages. A discussion of these methods is presented together with suggested guidelines as to when to apply them in a proposed project’s phase. Finally, lessons learnt from the experiences gained in several major projects are summarized.

Lessons learnt from design and construction of EDF first Piano Key Weirs

2011 ◽  
pp. 215-224 ◽  
Author(s):  
J Vermeulen ◽  
F Laugier ◽  
L Faramond ◽  
C Gille
Keyword(s):  
Lessons Learnt ◽  
Design And Construction

Roadway Deck of a Marine Terminal Facility in Egypt

2019 ◽  
Author(s):  
José J. Oliveira Pedro ◽  
José Dâmaso ◽  
Loïc Van Durmen ◽  
Hubert Vander Meulen
Keyword(s):  
Red Sea ◽  
Fast Track ◽  
Offshore Structure ◽  
Construction Planning ◽  
Main Design ◽  
Simply Supported ◽  
Construction Methods ◽  
Design And Construction

<p>This paper presents the Ain Sukhna Product Hub, a marine terminal facility recently finished in the Red Sea, Egypt, including the design and construction of a 3 km long offshore roadway. Formed by 83 simply supported spans, the roadway structures are elements that can greatly impact on the construction planning. An overview of the fast track nature of design, procurement and construction of this significant offshore structure are presented, describing the main design works and construction methods and highlighting the importance of the coordination with construction team and reality of the specific conditions in the project’s country.</p>

Planning, Design and Construction of Elevated Guideway of Kelana Jaya (KLJ LRT) Extension Project and Challenges & Lessons Learnt

2018 ◽  
Author(s):  
Dennis Ganendra ◽  
Azmar Bin Embi ◽  
Pradip Kumar Biswas
Keyword(s):  
Lessons Learnt ◽  
Design And Construction

<p>Building a transportation infrastructure for fast growing city like Petaling Jaya (considered twin city with Kuala Lumpur), Malaysia is always challenging and difficult works. One of the major infrastructure projects, the 17 km long elevated guideway which form the extension of Kelana Jaya Light Rail Transit (KLJ LRT) i.e Putra line is opened for service since 30th June 2016. The elevated viaduct was designed to build extensively using precast technique. The time efficient proven technique of span by span precast segmental construction along with some crossings with precast balanced cantilever construction was implemented for the project. Cast-in-situ box girder and precast U-beams with in-situ deck were also used for bifurcation and pocket track areas. Majority of the stations (9 out of 12) for KLJ LRT Extension are island platform stations and this has major impacts on interface in constructions, time and cost. The requirement of island platform station was one of the main criteria for the operator i.e RapidKL which is part of Prasarana.</p><p>Curved and skewed alignment over major 6 lanes highways and commuter lines necessitates a span as large as 100 m with 3 span balanced cantilever structure. Prestressed pier column were introduced due to space constraint. Precast split segments were also introduced to overcome difficulties in handling and delivery of deeper segments.</p><p>This paper describes the design scheme and contractual set up of guideway structures and presents an overview of construction and also related issues, incidents etc.</p>

scholarly journals Numerical simulation of minor losses coefficient on the example of elbows

2018 ◽  
Vol 180 ◽  
pp. 02093
Author(s):  
Smyk Emil ◽  
Mrozik Dariusz ◽  
Olszewski Łukasz ◽  
Peszyński Kazimierz
Keyword(s):  
Numerical Simulation ◽  
Numerical Methods ◽  
Numerical Method ◽  
Cross Section ◽  
Analytical Methods ◽  
Circular Cross Section ◽  
Experimental Methods ◽  
Loss Coefficient ◽  
Complicated Problem ◽  
Minor Losses

Determining of minor losses coefficient is very complicated problem. Analytical methods are often very difficult and experimental methods are very expensive and time-consuming. Consequently, the use of numerical methods seems to be a good solution, but there are no publications describing this issue. Therefore, the paper is describing the numerical method of determining the minor loss coefficient ξ on the example of elbows with circular cross-section.

Analytical Methods in Tracing Honey Authenticity

2017 ◽  
Vol 100 (4) ◽  
pp. 827-839 ◽  
Author(s):  
Jelena Trifković ◽  
Filip Andrić ◽  
Petar Ristivojević ◽  
Etil Guzelmeric ◽  
Erdem Yesilada
Keyword(s):  
Stable Isotopes ◽  
Natural Product ◽  
Cross Section ◽  
Analytical Methods ◽  
Scientific Community ◽  
Analytical Techniques ◽  
Consumer Health ◽  
Wide Range ◽  
Medicinal Properties

Abstract Honey is a precious natural product that is marketed with a wide range of nutritional and medicinal properties. However, it is also a product subjected to frequent adulteration through mislabeling and mixing with cheaper and lower-quality honeys and various sugar syrups. In that sense, honey authentication regarding its genuine botanical and geographical origins, as well as the detection of any adulteration, is essential in order to protect consumer health and to avoid competition that could create a destabilized market. Various analytical techniques have been developed to detect adulterations in honey, including measuring the ratios of stable isotopes (mostly 13C/12C) and the use of different spectroscopic, chromatographic, and electrochemical methods. This review aims to provide a cross-section of contemporary analytical methods used for the determination of honey authenticity in order to help the scientific community engaged in the field of honey chemistry make appropriate choices and select the best applications that should lead to improvements in the detection and elimination of fraudulent practices in honey manufacturing.

Petroleum pipeline construction planning: a conceptual framework

1996 ◽  
Vol 14 (4) ◽  
pp. 231-240 ◽  
Author(s):  
Prasanta Kumar Dey ◽  
Mario T Tabucanon ◽  
Stephen O Ogunlana
Keyword(s):  
Conceptual Framework ◽  
Construction Planning ◽  
Pipeline Construction

scholarly journals COMPARING THE PLANNING AND PERFORMANCE OF DIRECT LABOUR AND DESIGN-BID-BUILD CONSTRUCTION PROJECTS IN NIGERIA / PLANAVIMO IR VEIKLOS EFEKTYVUMO PALYGINIMAS, NIGERIJOS STATYBŲ PROJEKTUOSE NAUDOJANT TIESIOGINĮ DARBĄ IR TAIKANT TRADICINĮ PIRKIMŲ METODĄ

2012 ◽  
Vol 18 (2) ◽  
pp. 184-196 ◽  
Author(s):  
Godwin Iroroakpo Idoro
Keyword(s):  
Construction Projects ◽  
T Test ◽  
Design Stage ◽  
Construction Planning ◽  
Construction Stage ◽  
Cost Overruns ◽  
And Performance ◽  
Design Bid Build ◽  
Design And Construction

This study compares the levels of planning and the outcome of projects procured by direct labour and traditional contract procurement options. For this comparison, a survey of 130 projects was carried out. Data were collected using structured questionnaires and analysed using percentage, mean and t-test. The study discovers that whereas the levels of conception and overall planning done in projects procured by the two options are the same, the levels of design and construction planning done in DBB and DL projects differ. The study also discovers that the time-overruns of projects procured by the two methods differ but their cost-overruns are the same. The study concludes that projects procured by DBB and DL options differ in planning and time-overrun and suggests improved planning at the design stage when DL option is adopted and improved planning at the construction stage when DBB option is adopted. Santrauka Šiame darbe lyginami planavimo lygiai ir projektų rezultatai, kai naudojamas tiesioginis darbas ir taikomas tradicinis pirkimų metodas (projektavimas–konkursas–statyba; angl. Design-Bid-Build, D-B-B). Palyginimui atlikta 130 projektų apklausa. Duomenys surinkti naudojant tam tikros struktūros anketas ir išanalizuoti pagal procentus, vidurkius ir t testą. Atliekant tyrimą nustatyta, kad abiem paslaugų pirkimo atvejais projektų sumanymo etapas ir bendras planavimas yra vienodo lygio, tačiau tradicinį pirkimų metodą pasirinkusiuose projektuose projektavimo ir statybų planavimo etapų lygis skiriasi nuo tiesioginį darbą pasirinkusių projektų etapų lygio. Atliekant tyrimą paaiškėjo, kad abiem atvejais laikas viršijimas skirtingai, tačiau sąnaudos viršijamos vienodai. Daroma išvada, kad projektams taikant skirtingus pirkimo būdus (tradicinį metodą arba tiesioginio darbo variantą) skiriasi planavimas ir vėlavimas; taip pat siūloma, kaip pagerinti projektavimo etapo planavimą, kai naudojamas tiesioginio darbo variantas, ir kaip pagerinti statybų etapo planavimą, kai taikomas tradicinis metodas.

scholarly journals An overview and a WBS template for construction planning of mid-rise buildings

2020 ◽  
Vol 1 (2) ◽  
pp. 18-25 ◽  
Author(s):  
Jean Pierre Lukongo Ngenge ◽  
Fatemeh Nouban
Keyword(s):  
Point Of View ◽  
Construction Planning ◽  
Work Breakdown Structure ◽  
High Rise ◽  
Construction Step ◽  
Period Estimation ◽  
Proper Performance ◽  
Design And Construction

The construction of small houses was started many years before Christ, and the development of this field has led many architects and engineers to a higher level of buildings. Mainly the buildings in terms of height are classified into three types: low-, medium- and high-rise buildings. In this particular study, medium or med-rise buildings are investigated. Reaching the fully finished building stage is not easy, and it requires many steps. Taking into account the step-by-step tasks for proper performance completion, economical point of view, performance period estimation and other considerations, it is essential to organise (plan) the work before it starts accurately; that is why a work breakdown structure (WBS) template is vital in the planning, design and construction of buildings. In this paper, an overview and a WBS template for construction planning of the med-rise buildings are submitted. It was seen that for the successful construction of a mid-rise building, 14 steps are required prior completion, and among all steps, construction step takes more time for completion.

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