test-betweenrules.tex

\documentclass[openany]{book}
\usepackage{lipsum}
\usepackage{boxedminipage}
\usepackage{fancyhdr}

\pagestyle{fancy}

\setlength{\headheight}{35pt}
\renewcommand{\headrulewidth}{2pt}
\fancyhf{}
\fancyhead[C]{%
  \headrule
  \vspace{12pt}
  Project Description
  \vspace{8pt}
}

\begin{document}

\tableofcontents

\bigskip

\noindent
\begin{boxedminipage}{\textwidth}
  This is test-betweenrules.tex.

  It demonstrates a header with a rule above and below it. The rules are thicker. 
  The spacing is a bit more than usual, so \verb|\headheigth| is increased.

\begin{verbatim}
\setlength{\headheight}{35pt}
\renewcommand{\headrulewidth}{2pt}
\fancyhf{}
\fancyhead[C]{%
  \headrule
  \vspace{12pt}
  Project Description
  \vspace{8pt}
}
\end{verbatim}
\end{boxedminipage}


\chapter{Introduction}
\thispagestyle{fancy}

\lipsum[1]

\section{The Problem}
\label{sec:problem}

\lipsum[2-3]

\section{Evaluation}

\lipsum[3-5]

\end{document}