The phrase "and constructed by a" is correct and usable in written English.
It can be used when describing the process of building or creating something, often in a formal or technical context.
Example: "The bridge was designed by an architect and constructed by a team of skilled engineers."
Alternatives: "and built by a" or "and created by a".
The Al-Firdan Bridge was designed and constructed by a consortium of German, Belgian, and Egyptian companies.
Later in his career he divided his time between Copenhagen and his studio in Berlin, where projects were conceptualized and constructed by a team of architects, engineers, and assistants.
The buoy and the control system were developed and constructed by a local engineering team.
The Spallation Neutron Source (SNS) was designed and constructed by a collaboration of six U.S. Department of Energy national laboratories.
A novel self-assembled 3D hierarchical peony-like ZnCo2O4 electrode material is designed and constructed by a facile effective and additive-free method.
A novel microreactor for TiO2-assisted photocatalysis in a microfluidic electrochemical cell was designed and constructed by a technology that can be reproduced in any chemical laboratory.
Financed and constructed by an international consortium at the close of the colonial era, it was designed in cooperation with South Africa's national power company to produce electricity largely for South Africa, not Mozambique.
A new X-ray undulator beamline has been designed and constructed by an industrial consortium of 13 companies at SPring-8.
Designed by Raja Aederi Consultants and constructed by National Buildings Construction, a state-run company, the building cost an estimated 186 crore rupees ($39 million).
pFakeEntry2Dummy was a kind gift from Dr. Holger Rehman (UMC Utrecht, The Netherlands) and constructed by transferring an attB flanked multiple cloning site into pDONOR201 (Invitrogen) using Gateway BP clonase (Invitrogen).
This architectural marvel has been engineered and constructed by Dr. Ben Murray, an orthodontic resident at the Stony Brook University Dental Care Center on Long Island, N.Y.
